Indira Gandhi International Airport#Terminal 1

File:Lockheed Hudson - Delhi-Palam - Royal Air Force Operations in the Far East, 1941-1945. CI408.jpg Mark VI of No. 194 Squadron RAF at RAF Station Palam|261x261px]]

Palam Airport was established by the British Raj as a base for the Royal Indian Air Force during World War II to support Allied military operations in Asia. After Indian Independence, the Royal Indian Air Force, which was later rechristened as the Indian Air Force, took over the airport.{{Cite web |title=History of delhi customs, Delhi Customs |url=https://delhicustoms.gov.in/history.html |archive-url=http://web.archive.org/web/20240628053934/https://delhicustoms.gov.in/history.html |archive-date=28 June 2024 |website=delhicustoms.gov.in |access-date=15 February 2025}}

In 1962, commercial passenger operations were relocated from Safdarjung Airport (Delhi's first airport) to Palam Airport.{{cn|date=June 2025}} At that time, Palam had a peak capacity of approximately 1,300 passengers per hour. In 1979–80, a total of 30 lakh (3 million) domestic and international passengers flew into and out of Palam Airport.{{cite news|title= Travellers can breathe freely with brand new and improved terminal at Sahar in Bombay | url= https://www.indiatoday.in/magazine/tourism/story/19801231-travellers-can-breathe-freely-with-brand-new-and-improved-terminal-at-sahar-in-bombay-773676-2013-11-29#ssologin=1#source=magazine | newspaper=India Today|date= 31 December 1980|access-date= 14 August 2019}} Owing to an increase in air traffic in the '70s and '80s, an additional terminal with nearly four times the area of the old Palam terminal was constructed. With the inauguration of this new international terminal, Terminal 2, on 2 May 1986, the airport was renamed as Indira Gandhi International Airport (IGIA).

The old domestic airport (Palam) is known as Terminal 1 and was divided into separate buildings – 1A, 1B, and 1C. Blocks 1A and 1B were used to handle international operations while domestic operations took place in Block 1C. Block 1A and 1B later became dedicated terminals for domestic airlines and are currently closed down. It is planned that they will be demolished after the construction of newer terminals. Block 1C was also turned into a domestic arrivals terminal, and was rebuilt and opened on 24 February 2022. The newly constructed domestic departures block 1D is now used by domestic low-cost airlines (IndiGo, and SpiceJet). There is also a separate technical area for VIP passengers. The domestic arrivals terminal 1C was demolished and rebuilt into a brand-new domestic arrivals terminal. For this expansion work, GoAir and select flights of IndiGo were moved to Terminal 2 as well as select flights of SpiceJet and IndiGo to Terminal 3.

In October 2001, Canada 3000 commenced a flight to Toronto.{{cite news | url=https://www.theglobeandmail.com/life/travel/canada-3000-launches-nas-only-non-stop-india-route/article763676/ | title=Canada 3000 launches N.A.'s only non-stop India route | work=The Globe and Mail | date=10 October 2001 | access-date=7 November 2021 | author=McArthur, Douglas}} This was the first nonstop service between India and North America.{{cite news | url=https://www.tribuneindia.com/2001/20011011/biz.htm#2 | title=Canada 3000 flight lands in India | work=The Tribune | date=10 October 2001 | accessdate=23 April 2023}} Russia's decision to open its airspace after the Cold War allowed the airline to save time by flying a direct route over the Arctic.{{cite news | url=https://www.theglobeandmail.com/report-on-business/canada-3000-plans-polar-passage-to-india/article18290929/ | title=Canada 3000 plans polar passage to India | work=The Globe and Mail | date=22 January 2001 | access-date=7 November 2021 | author=McArthur, Keith}} Even though the 11 September attacks had precipitated a global decline in air travel, Canada 3000 was hoping that the service would help it improve its financial position.{{cite news | url=https://www.newspapers.com/clip/88075491/ | title=Canada 3000 looks east for relief | work=National Post | date=9 October 2001 | access-date=7 November 2021 | author=Fitzpatrick, Peter}} Nevertheless, the company collapsed one month later.{{cite news | url=https://www.cbc.ca/news/canada/canada-3000-grounds-fleet-without-warning-1.286660 | title=Canada 3000 grounds fleet without warning | work=CBC | date=10 November 2001 | access-date=6 November 2021}}

Significant growth in the Indian aviation industry led to a major increase in passenger traffic. The capacity of Terminal 1 was estimated to be 71.5 lakh (7.15 million) passengers per annum (mppa). The actual throughput for 2005/06 was an estimated 1.04 crore (10.4 million) passengers. Including the then closed down international terminal (Terminal 2), the airport had a total capacity of 1.25 crore (12.5 million) passengers per year, whereas the total passenger traffic in 2006/07 was 1.65 crore (16.5 million) passengers per year.{{cite web|url=https://timesofindia.indiatimes.com/city/delhi/IGI-Airport-tops-world-in-growth-/articleshow/2712536.cms|archive-url=https://web.archive.org/web/20110811033258/http://articles.timesofindia.indiatimes.com/2008-01-19/delhi/27779425_1_igi-airport-new-domestic-departure-terminal-dial-official|url-status=live|archive-date=11 August 2011|title=IGI Airport tops world in growth|date=19 January 2008|work=The Times of India|access-date=5 May 2014}} In 2008, the total passenger count at the airport reached 2.4 crore (23.97 million). To ease the traffic congestion on the existing terminals and in preparation for the 2010 Commonwealth Games,{{cite news |last1=Burke |first1=Jason |last2=Jethra |first2=Aashish |date=4 July 2010 |title=£2bn Delhi airport terminal signals a new India, says PM |url=https://www.theguardian.com/world/2010/jul/04/delhi-india-airport-terminal |work=The Guardian |access-date=4 March 2024}} a much larger Terminal 3 was constructed and inaugurated on 3 July 2010.{{cite web|url=http://www.gmrgroup.in/pressreleasedetail-III-03-July-2010.aspx|title=Brand New Beginning – New Integrated Passenger Terminal 3 Inaugurated at IGIA|work=GMR Group|access-date=27 January 2017|date=3 July 2010|archive-date=2 February 2017|archive-url=https://web.archive.org/web/20170202075712/http://www.gmrgroup.in/pressreleasedetail-III-03-July-2010.aspx|url-status=dead}} The new terminal's construction took 37 months for completion and this terminal increased the airport's total passenger capacity by 34 million.

Apart from the two budget domestic airlines handled by Terminals 1 and 2, all other airlines operate their flights from Terminal 3. In June 2022, Delhi International Airport became India's first to run entirely on Hydro Power and solar energy.{{Cite web |date=22 June 2022 |title=Delhi airport international becomes India's 1st to run entirely on hydro and solar energy - The AeroNation |url=https://theaeronation.com/delhi-airport-international-becomes-indias-1st-to-run-entirely-on-hydro-and-solar-energy/ |website=The AeroNation |access-date=26 June 2022}}

On 31 January 2006, the aviation minister Praful Patel announced that the empowered Group of Ministers have agreed to sell the management-rights of Delhi Airport to the DIAL consortium and the Mumbai Airport to the GVK Group.{{cite news |url=http://www.thehindubusinessline.in/bline/2007/02/12/stories/2007021200580600.htm |title=Delhi, Mumbai airport modernisation – Efforts to ensure a smoother journey |newspaper=Business Line |access-date=16 July 2010 |archive-url=https://web.archive.org/web/20121004153918/http://www.thehindubusinessline.in/bline/2007/02/12/stories/2007021200580600.htm |archive-date=4 October 2012 |url-status=dead}} On 2 May 2006, the management of Delhi and Mumbai airports were handed over to the private consortia.{{cite web|url=http://news.outlookindia.com/item.aspx?381981|title=Mumbai, Delhi airport management to be handed over to pvt cos|publisher=news.outlookindia.com|access-date=16 July 2010|url-status=dead|archive-url=https://web.archive.org/web/20110715023520/http://news.outlookindia.com/item.aspx?381981|archive-date=15 July 2011}} Delhi International Airport Limited (DIAL) is a consortium of the GMR Group (54% (currently 64%)), Fraport (10%) and Malaysia Airports (10% (currently no share)),{{cite web|url=http://www.malaysiaairports.com.my/index.php?ch=38&pg=204&ac=1182|title=Malaysia Airports Holdings Berhad|publisher=Malaysiaairports.com.my|date=4 April 2006|access-date=16 July 2010}} and the Airports Authority of India retains a 26% stake.{{cite web|author=Sandeep Sharma|url=http://www.constructionupdate.com/products/equipmentindia/june2008/009.html|title=Equipment India – India's first infrastructure equipment magazine|publisher=Constructionupdate.com|date=31 March 2010|access-date=16 July 2010|url-status=dead|archive-url=https://web.archive.org/web/20101228064029/http://www.constructionupdate.com/products/equipmentindia/june2008/009.html|archive-date=28 December 2010}}

Nine years later, in May 2015, Malaysia Airports chose to exit from DIAL venture and sold its entire 10% stake to majority shareholder GMR Infra for $79 million. Following this GMR Group's stake at DIAL increased to 64%.{{cite news|url=http://timesofindia.indiatimes.com/business/india-business/GMR-infrastructure-acquires-10-additional-share-in-Delhi-airport-overall-stake-rises-to-64/articleshow/47421655.cms|title=GMR Infrastructure acquires 10% additional share in Delhi airport overall stake rises to 64%|website=The Times of India|date=25 May 2015 |access-date=18 August 2015}} Earlier, GMR indicated that it was interested in buying out the 10% stake of Fraport.{{cite web|url=http://www.livemint.com/Companies/VZW7biWNEfTbI8JWdtdrMJ/Malaysia-Airports-sells-Delhi-International-Airport-stake-to.html|title=Malaysia Airports sells Delhi International Airport stake to GMR|access-date=18 August 2015|date=24 March 2015}}

File:VIDP Layout.svg

File:(1) Interior of New Delhi Airport.jpg

Delhi Airport has four near-parallel runways: runway 11R/29L, {{convert|4430|x|60|m|abbr=on}}, runway 11L/29R, {{convert|4400|x|45|m|abbr=on}}, runway 10/28, {{convert|3813|x|46|m|abbr=on}}, and runway 09/27, {{convert|2816|x|45|m|abbr=on}}. The 09/27 runway of the Delhi Airport was the airport's first-ever runway; the British constructed the 2,816 metre-long and 60 metre-wide runway in the pre-independence era and used it during World War II.{{Cite news|last=ANI|date=5 January 2022|title=End of British-era: Delhi's IGI Airport refurbishes runway|work=Business Standard India|url=https://www.business-standard.com/article/current-affairs/end-of-british-era-delhi-s-igi-airport-refurbishes-runway-122010500712_1.html|access-date=11 January 2022}} In addition to Chaudhary Charan Singh International Airport in Lucknow and Jaipur Airport in Jaipur, Delhi Airport is the only airport in India to have been equipped with the CAT III-B ILS, as of 2017.{{cite news|url=http://www.dnaindia.com/india/report-aai-commits-more-airports-for-cat-iii-ils-compliance-2311836|title=AAI commits more airports for CAT III ILS compliance|newspaper=Daily News and Analysis|access-date=4 May 2018|date=4 February 2017|agency=ANI}} In the winter of 2005, there were a record number of disruptions at Delhi Airport due to fog/smog. Since then some domestic airlines have trained their pilots to operate under CAT-II conditions of a minimum {{convert|350|m|ft|abbr=on}} visibility. On 31 March 2006, IGI became the first Indian airport to operate two runways simultaneously following a test run involving a SpiceJet plane landing on runway 28 and a Jet Airways plane taking off from runway 27 at the same time.

The initially proposed mode involving simultaneous takeoffs in westerly flow to increase handling traffic capacity caused several near misses over the west side of the airport where the centrelines of runways 10/28 and 9/27 intersect.{{cite news|url=https://timesofindia.indiatimes.com/city/delhi/Now-separate-runways-at-Delhi-airport/articleshow/2632880.cms|title=Now separate runways at Delhi airport|newspaper=The Times of India|date=19 December 2007|access-date=4 May 2018|author=Saurabh Sinha |author2=Neha Lalchandani|agency=TNN|place=New Delhi}} The runway use was changed to segregate dependent mode on 25 December 2007, which was a few days after a near miss involving an Airbus A330-200 of Qatar Airways and an IndiGo A320 aircraft. The new method involved the use of runway 28 for all departures and runway 27 for all arrivals. This more streamlined model was adopted during day hours (– 2300 0600 – 2300 IST) until 24 September 2008.

On 21 August 2008, the airport inaugurated its third runway, 11R/29L, costing ₹1,000 crore{{cite news|author=Express News Service|url=http://www.expressindia.com/latest-news/Air-India-Boeing-opens-Rs-1-000-cr-runway-at-IGIA/351712|title=Air India Boeing opens Rs 1,000 cr runway at IGIA|newspaper=Express India|date=22 August 2008|access-date=29 October 2012}} {{dead link|date=December 2017 |bot=InternetArchiveBot |fix-attempted=yes }} and {{convert|4430|m|abbr=on|0}} long. The runway has one of the world's longest paved threshold displacements of {{convert|1460|m|abbr=on|0}}. This, in turn decreases the available landing length on runway 29L to {{convert|2970|m|abbr=on|0}}. The reason for the long threshold displacement is due to the presence of a 263 m high Shiv statue, which is located near runway 29L.{{dubious|Height of Shiv statue apparently incorrect|date=January 2025}}{{Cite news |last1=Sinha |first1=Saurabh |last2=Lalchandani |first2=Neha |date=6 January 2011 |title=Asia's longest runway falls short for flights |url=https://timesofindia.indiatimes.com/city/delhi/asias-longest-runway-falls-short-for-flights/articleshow/7224520.cms |work=The Times of India |issn=0971-8257 |access-date=13 April 2024}}{{Cite news |last1=Sinha |first1=Saurabh |last2=Lalchandani |first2=Neha |date=25 January 2011 |title=AAI refuses to back down on statue |url=https://timesofindia.indiatimes.com/city/delhi/aai-refuses-to-back-down-on-statue/articleshow/7357704.cms |work=The Times of India |issn=0971-8257 |access-date=13 April 2024}} The runway increased the airport's capacity to handle up to 100 flights from the previous 45–60 flights per hour. The new runway was opened for commercial operations on 25 September 2008 and gradually began full round-the-clock operations by the end of October of the same year.{{cite news|url=https://www.thehindubusinessline.com/todays-paper/tp-logistics/Delhirsquos-airport-opens-third-runway-for-round-the-clock-operation/article20146291.ece|title=Delhi's airport opens third runway for round-the-clock operation|newspaper=Business Line|access-date=4 May 2018|date=31 October 2008}}

Since 2012, all three runways were operated simultaneously to handle traffic during day hours.{{cite news|url=https://timesofindia.indiatimes.com/city/delhi/Indira-Gandhi-International-Airport-to-use-3-runways-together/articleshow/14398748.cms|title=Indira Gandhi International Airport to use 3 runways together|newspaper=The Times of India|date=26 June 2012|access-date=4 May 2018|author=Neha Lalchandani|agency=TNN|place=New Delhi}} Only runways 11R/29L and 10/28 are operated during night (2300–0600 IST) hours with single runway landing restriction during westerly traffic flow that is rotated late night (0300 IST) and reversed weekly to distribute and mitigate night time landing noise over nearby residential areas.{{cite news|url=https://timesofindia.indiatimes.com/city/delhi/mix-up-forces-air-india-plane-to-do-high-speed-reject-at-delhi-airport-as-another-plane-was-landing-on-a-merging-runway/articleshow/58062712.cms|title=Mix-up forces Air India plane to do high-speed reject at Delhi Airport|newspaper=The Times of India|author=Saurabh Sinha|place=New Delhi|agency=TNN|date=7 April 2017|access-date=4 May 2018}}

To cater for the demand of increasing air traffic, the master plan for the construction of a fourth parallel runway next to the existing runway 11R/29L was cleared in 2017.{{cite news|url=https://www.hindustantimes.com/delhi-news/delhi-airport-new-look-bigger-terminals-internal-rail-but-brace-for-chaos-first/story-ibgsrN5QCtHgfc0xzFA0aK.html|title=Delhi airport new look: Bigger terminals, internal rail but brace for chaos first|newspaper=Hindustan Times|author=Faizan Haider|date=23 August 2017|place=Delhi|access-date=4 May 2018}} along with the Eastern Cross Taxiways (ECT) - a pair of elevated parallel taxiways linking the northern part of the airport with the southern runways. It will be elevated as it will pass over the airport approach roads. It will be {{cvt|2.1|km}} long and both the taxiways will be {{cvt|44|m}} wide, with a {{cvt|47|m}} wide gap separating the taxiways, making it capable of handling Airbus A380 and Boeing 747 type aircraft. It will help flights reducing duration to reach the southern runways from 9–10 minutes to only two minutes, as well as reducing pollution and traffic. The fourth runway and the ECT was inaugurated on 14 July 2023.{{Cite news |title=Delhi airport's 4th runway to get running by early 2023 increasing its capacity to fly 14 crore people annually |url=https://www.timesnownews.com/business-economy/industry/delhi-airports-4th-runway-to-get-running-by-early-2023-increasing-its-capacity-to-fly-14-crore-people-annually-article-93467255 |access-date=10 August 2022 |work=Times Now |date=10 August 2022}}

File:Indira Gandhi International Airport.JPG

File:Sculpture of hasta mudras at Indira Gandhi International Airport.jpg

IGI Airport serves as a major hub or a focus destination for several Indian carriers including Air India, Alliance Air, IndiGo, and SpiceJet. Approximately 80 airlines serve this airport. At present, there are three actively scheduled passenger terminals, as well as a cargo terminal.

In 2021, DIAL introduced an e-boarding facility for passengers at all the three terminals of the airport, by which all boarding gates will have contactless e-boarding gates with boarding card scanners, which will allow passengers to flash their physical or e-boarding cards to verify flight details in order to proceed for security checks.{{Cite news|title=DIAL introduces e-boarding facility at all three terminals of Delhi airport|work=The Economic Times|url=https://economictimes.indiatimes.com/industry/transportation/airlines-/-aviation/dial-introduces-e-boarding-facility-at-all-three-terminals-of-delhi-airport/articleshow/88256036.cms|access-date=31 December 2021}}

Terminal 3 is an integrated terminal used for both international and domestic flights. The Indian carriers operating international flights are Air India, IndiGo, and SpiceJet.

The domestic side of Terminal 3 is used by Air India, Air India Express, and select flights of SpiceJet and IndiGo.

Select flights of IndiGo use Terminal 2 for their domestic operations.

Terminal 1 is used by the low cost domestic carriers, such as SpiceJet and IndiGo. In 2022, Terminal 1D was fully expanded with an arrivals hall, with the goal of enhancing its annual passenger handling capacity from the previous 1.8 crore (18 million) to 4 crore (40 million).{{cite news|url=http://timesofindia.indiatimes.com/city/delhi/DIAL-plans-4th-runway-at-IGI-by-2020-new-terminal-too/articleshow/51533722.cms|title=DIAL plans 4th runway at IGI by 2020, new terminal too |work=The Times of India|access-date=29 May 2017}}{{cite news|url=https://timesofindia.indiatimes.com/city/delhi/t1-expansion-delayed-by-a-year-as-covid-19-hits-air-traffic-badly/articleshow/78851581.cms|title=Delhi: T1 expansion delayed by a year as Covid-19 hits air traffic badly|work=The Times of India|access-date=15 January 2021}}

Terminal 2 was opened on 1 May 1986, at a cost of {{INR}}95 crores and was used for international flights until July 2010 when operations shifted to Terminal 3. After this, the terminal remained operational for only three months per year.{{cite news|url=http://indianexpress.com/article/business/delhi-indira-gandhi-international-airport-indigo-spicejet-goair-terminal1-terminal-2-delhi-airport-domestic-flights-4894585/|title=IGI T2: GoAir shifts to new terminal 2 from October 29, but IndiGo, SpiceJet reluctant|newspaper=The Indian Express|date=17 October 2017|access-date=8 May 2018|author=Express Web Desk|place=New Delhi}} In 2017, after revamping Terminal 2 at a cost of {{INR}}100 crores, DIAL shifted all operations of GoAir and select operations of IndiGo to that terminal in order to continue expansion work of Terminal 1.{{cite news|url=http://www.business-standard.com/article/current-affairs/delhi-airport-t1-upgrade-goair-shifts-to-t2-no-nod-from-indigo-spicejet-117102800310_1.html|title=Delhi airport T1 upgrade: GoAir shifts to T2; no nod from IndiGo, Spicejet|newspaper=Business Standard|author=Arindam Majumder|date=28 October 2017|access-date=7 March 2018}}{{cite news|url=http://indianexpress.com/article/cities/delhi/delhi-airport-goair-to-shift-operations-to-t2-from-october-29-4889163/

|title=Delhi airport: GoAir to shift operations to T2 from October 29|newspaper=The Indian Express|date=13 October 2017|access-date=7 March 2018|agency=Press Trust of India}}

{{multiple image

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| image1 = Sculpture of Surya, the Sun God.jpg

| alt1 = smiling head-on pedestal

| image2 = Sculpture in Terminal 3 of Indira Gandhi International Airport at Delhi depicting the Surya Namaskara asanas.jpg

| alt2 = figures posed on a coil

| image3 = An internal view of Indira Gandhi International Airport.jpg

| alt3 = hands extending from a wall over the immigration counters

| footer = Sculptures in Terminal 3: Hindu solar deity Surya (upper left), Surya Namaskara asanas (upper right), and hasta mudras or hand gestures extending from a wall over the immigration counters (bottom)

}}

File:T3 interior Delhi international Airport.jpg

Designed by HOK working in consultation with Mott MacDonald,{{cite web|url=http://www.worldinteriordesignnetwork.com/news/igi_airport_in_india_to_unveil_worlds_third_largest_terminal_100330|title=IGI Airport in India to unveil world's third-largest terminal|publisher=World Interior Design Network|access-date=16 July 2010|url-status=dead|archive-url=https://web.archive.org/web/20100606013739/http://www.worldinteriordesignnetwork.com/news/igi_airport_in_india_to_unveil_worlds_third_largest_terminal_100330/|archive-date=6 June 2010}} Terminal 3 is a two-tier building spread over an area of 54 lakh (5.4 million) square feet (approx 502,000 square metre ) making it the world's 15th largest terminal in the world, with the lower floor being the arrivals area, and the upper floor being a departures area. This terminal has 168 check-in counters, 78 aerobridges at 48 contact stands, 54 parking bays, 95 immigration counters, 18 X-ray screening areas, shorter waiting times, duty-free shops, and other features.The international flights leave from gates 1-26 (gates 2, 4, 6 are bus gates) and the domestic flights leave from gates 27-62 (gates 42, 44 are bus gates){{cite web|url=http://www.gmrgroup.co.in/Airports/Delhi_International_Airport__P__Limited.html|title=Delhi International Airport (P) Limited|publisher=Gmrgroup.co.in (GMR)|access-date=5 May 2014|url-status=dead|archive-url=https://web.archive.org/web/20100410020827/http://www.gmrgroup.co.in/Airports/Delhi_International_Airport__P__Limited.html|archive-date=10 April 2010}}{{cite news|url=http://economictimes.indiatimes.com/News/News_By_Industry/Transportation/DIAL_to_invest_Rs_30000_cr_build_4_new_terminals_in_Delhi/articleshow/2956408.cms|title=DIAL to invest Rs 30,000 cr, build 4 new terminals in Delhi|newspaper=The Economic Times|date=16 April 2008|access-date=5 May 2014}} This new terminal was timed to be completed for the 2010 Commonwealth Games, which was held in Delhi and is connected to Delhi by an eight-lane Delhi–Gurgaon Expressway and the Delhi Metro through its Airport Express (Orange Line). The terminal was officially inaugurated on 3 July 2010. All international airlines shifted their operations to the new terminal in late July 2010 and all full service domestic carriers in November 2010. The arrival area is equipped with 14 baggage carousels. Terminal 3 has India's first automated parking management and guidance system in a multi-level car park, which comprises seven levels and a capacity of 4,300 cars. Terminal 3 forms the first phase of the airport expansion which tentatively includes the construction of additional passenger and cargo terminals (Terminal 4, 5, and 6).

Domestic full-service airline Air India operates from Terminal 3.{{cite news|url=https://timesofindia.indiatimes.com/city/delhi/Decks-cleared-for-shifting-of-operations-to-T3/articleshow/6904159.cms|archive-url=https://web.archive.org/web/20121103220214/http://articles.timesofindia.indiatimes.com/2010-11-11/delhi/28246343_1_t3-domestic-operations-terminal|url-status=live|archive-date=3 November 2012|title=Decks cleared for shift of operations to T3|date=11 November 2010|newspaper=The Times of India|access-date=18 November 2001}} Air India Express, although a low cost airline, also operates its domestic flights from this terminal. Some flights of SpiceJet and IndiGo were also shifted to Terminal 3 temporarily for the expansion of Terminal 1.

On 16 December 2024, the Indira Gandhi International airport became the first in India to connect directly to 150 airports or destinations — both domestic and international — with the launch of a Thai AirAsia X direct flight between Delhi and Bangkok's Don Mueang airport.{{cite web | url=https://www.hindustantimes.com/cities/delhi-news/delhis-igi-airport-connects-capital-to-150-destinations-first-to-do-so-in-india-101734337843192.html | title=Delhi's IGI airport connects capital to 150 destinations, first to do so in India | work=Hindustan Times | date=16 December 2024 }}

India's first general aviation terminal was commissioned in this airport in September 2020. The terminal caters to support the movement and processing of passengers flying through chartered flights or private jets from the airport.{{cite news |title=India's first General Aviation Terminal for private jets opens at Delhi Airport – Exclusive landing |url=https://economictimes.indiatimes.com/industry/transportation/airlines-/-aviation/indias-first-general-aviation-terminal-for-private-jets-opens-at-delhi-airport/exclusive-landing/slideshow/78183585.cms |access-date=18 February 2022 |work=The Economic Times}}{{cite news |title=Indias first General Aviation terminal facility for Private Jets launched at Delhi Airport |url=https://www.gmrairports.com/Indias-first-General-Aviation-terminal-facility-for-Private-Jets-launched-at-Delhi-Airport.aspx |access-date=18 February 2022 |website=Ggmrairports.com}}

The air cargo complex is located at a distance of {{convert|1|km|abbr=on}} from Terminal 3. It consists of separate brownfield and greenfield cargo terminals.{{cite web|url=https://www.newdelhiairport.in/dial-invites-expression-of-interest-(ieoi)-for-cargo-village-project-at-igi-airport.aspx|title=DIAL invites Expression of Interest (IEoI) for Cargo Village Project at IGI Airport|publisher=Official Website of Delhi Airport|date=10 February 2013|access-date=8 May 2018|place=New Delhi}} The cargo operations at the brownfield terminal are managed by Celebi Delhi Cargo Management India Pvt. Ltd., which is a joint venture between Delhi International Airport Private Ltd (DIAL) and the Turkish company Celebi Ground Handling (CGH).{{cite web|url=http://www.celebicargo.in/delhi/corporate|title=Corporate: Celebi Delhi Cargo Terminal Management India Pvt Ltd|website=Celebi Cargo India|access-date=8 May 2018|archive-date=9 May 2018|archive-url=https://web.archive.org/web/20180509012958/http://www.celebicargo.in/delhi/corporate|url-status=dead}} CGH was awarded the contract to develop, modernise, and finance the existing cargo terminal and to operate the terminal for a period of twenty-five years by DIAL in November 2009.{{cite web|url=http://www.itln.in/air-cargo-terminals-striving-for-ppp-boost|title=Air cargo terminals Striving for PPP boost|date=13 May 2014 |publisher=Indian Transport and Logistics News|access-date=8 May 2018}} It started its operations in June 2010. In addition to the existing terminal, a new greenfield terminal is being developed in phases by Delhi Cargo Service Centre (DCSC), also a joint venture between DIAL and Cargo Service Center (CSC). The greenfield cargo terminal project consists of two terminals built over a plot of 48,000 square metres and 28,500 square metres, respectively. Phase 1A of the project has been completed and is fully operational. Once the entire project is completed, these two new terminals will have an annual handling capacity of 12.5 lakh (1.25 million) tonnes. The cargo operations of the airport received "e-Asia 2007" award in 2007 for "Implementation of e-Commerce / Electronic Data Interchange in Air Cargo Sector".{{cite web|url=http://www.newdelhiairport.in/pr-DIAL-Cargo-gets-international-e-ASIA-2007-Award-IGI-Airport-becomes-the-First-Indian-Airport-to-get-this-award.aspx|title=Dial Cargo gets international 'e Asia 2007 Award' I.G.I. Airport becomes the First Indian Airport to get this award|access-date=26 January 2016|date=22 September 2007|archive-url=https://web.archive.org/web/20170202032453/http://www.newdelhiairport.in/pr-DIAL-Cargo-gets-international-e-ASIA-2007-Award-IGI-Airport-becomes-the-First-Indian-Airport-to-get-this-award.aspx|archive-date=2 February 2017|url-status=dead}}

Terminal 1A

Terminal 1A was built in 1982 as a temporary structure for international VIPs arriving for the 1983 Commonwealth Heads of Government Meeting held in Delhi. After the event, the building was unused until Indian Airlines started operating Airbus A320 operations in 1988. It had to be refurbished after a fire gutted the interiors in October 1996{{cite web|url=https://www.indiatoday.in/magazine/states/story/19961130-devastating-fire-leaves-terminal-1a-of-indira-gandhi-international-airport-in-rubble-834166-1996-11-29|title=Devastating fire leaves Terminal 1A of Indira Gandhi International Airport in rubble |work=India Today|date=30 November 1996 |access-date=27 September 2024}} and DIAL significantly upgraded the terminal. The terminal was closed after Air India shifted operations to the new Terminal 3 on 11 November 2010.{{cite web|url=http://www.hindustantimes.com/delhi/end-of-an-era-at-terminal-1-a/story-YtUdS8OVzxjpJGnpPNorcL.html|title=End of an era at Terminal 1 A|work=Hindustan Times|date=10 November 2010|access-date=3 May 2017}} DIAL had earlier planned to use the terminal for Haj operations as well as for charter planes; however, it never materialised. The terminal lay unused until 2018, when DIAL decided to demolish it.{{cite web|url=https://www.indiatoday.in/magazine/states/story/19961130-devastating-fire-leaves-terminal-1a-of-indira-gandhi-international-airport-in-rubble-834166-1996-11-29|title=Delhi IGI airport's Terminal T1A set to be demolished; here's why |work=The Financial Express (India)|date=5 June 2018 |access-date=27 September 2024}}

Terminal 1B

Terminal 1B was also built in the late 1980s and was used only for domestic departures. Upon the opening of the new domestic departures Terminal 1D in 2009, Terminal 1B was closed and is expected to be demolished on the completion of newer terminals.

Terminal 1C

File:Domestic Terminal of IGI.jpg

Terminal 1C was also built in the late 1980s and was used only for domestic arrivals. The terminal has been upgraded with a newly expanded greeting area and a larger luggage reclaim area with eight belts. Terminal 1C was shut down, torn, and rebuilt into a brand new domestic arrivals hall on 24 February 2022.

Terminal 1D

Terminal 1D was developed by DIAL and inaugurated on 27 February 2009{{cite web|url=https://indianexpress.com/article/cities/delhi/new-terminal-inaugurated-at-airport/|title=New terminal inaugurated at airport |work=The Indian Express|date=27 February 2009 |access-date=27 September 2024}} as a domestic departures terminal with a total floor space of {{convert|53000|m2|abbr=on}} and a capacity to handle 1.5 crore (15 million) passengers per year.{{cite web|url=http://www.hindustantimes.com/delhi/end-of-an-era-at-terminal-1-a/story-YtUdS8OVzxjpJGnpPNorcL.html|title=Terminal 1D expansion work to begin by year end|work=The Hindu|date=16 August 2016|access-date=3 May 2017}} The terminal commenced operations on 19 April 2009.{{cite web|url=http://netindian.in/news/2009/04/14/delhi-airports-new-terminal-1d-open-april-19|title=Delhi Airport's new Terminal 1D to open on April 19|website=Netindian.in|date=14 April 2009|access-date=3 May 2017}} It has 72 Common Use Terminal Equipment (CUTE) enabled check-in counters, 16 self check-in counters, and 16 security channels.

{{clear}}

{{Airport destination list

| Aero Nomad Airlines | Bishkek{{cite web|title=Home|url=https://www.aeronomad.kg/index.php/en/|website=Aero Nomad Airlines}}

| Aeroflot | Moscow–Sheremetyevo{{cite web|title=Schedule|url=https://flights.aeroflot.ru/ru-en/schedule|website=Aeroflot|access-date=13 January 2024}}

| Air Arabia | Sharjah{{cite web|url=https://www.airarabia.com/en|title = Air Arabia| website=Airarabia.com |access-date=21 May 2022}}

| Air Astana | Almaty

| Air Cambodia | Phnom Penh{{cite web|url= https://www.aeroroutes.com/eng/240301-k6ns24del|title=CAMBODIA ANGKOR AIR MOVES INDIA LAUNCH TO JUNE 2024|website=Aeroroutes|access-date=1 March 2024}}

| Air Canada | Montréal–Trudeau,{{cite news |last1=Air Canada |date=3 June 2024 |title="Ab India Door Nahin!" Air Canada Significantly Expands Service to India for Winter 2024-25, Leveraging its Global Network Strength |url=https://www.newswire.ca/news-releases/-ab-india-door-nahin-air-canada-significantly-expands-service-to-india-for-winter-2024-25-leveraging-its-global-network-strength-858057321.html |work=News Wire |access-date=5 June 2024}} Toronto–Pearson

| Air France | Paris–Charles de Gaulle{{Cite web|url=https://www.aeroroutes.com/eng/240807-afnw24in|title=Air France NW24 India Aircraft Changes – 06AUG24|website=AeroRoutes}}

| Air India | Ahmedabad, Amritsar, Amsterdam,{{cite web|url=https://www.aeroroutes.com/eng/231123-ainw23ams|title=AIR INDIA RESUMES AMSTERDAM SERVICE FROM MID-DEC 2023|work=Aeroroutes|accessdate=23 November 2023}} Aurangabad, Bangkok–Suvarnabhumi, Bengaluru, Bhopal, Bhubaneswar, Bhuj,{{cite web|url=https://centreforaviation.com/news/air-india-to-commence-delhi-bhuj-service-in-feb-2025-1299156|title=Air India to commence Delhi-Bhuj service in Feb-2025|work=CAPA|accessdate=16 January 2025}} Birmingham, Chandigarh, Chennai, Chicago–O'Hare{{ref|1|1}}, Coimbatore, Colombo–Bandaranaike, Copenhagen,{{cite news|title=Air India returns to Copenhagen, Milan and Vienna|url=https://www.businesstraveller.com/news/2023/03/01/air-india-returns-to-copenhagen-milan-and-vienna/|work=Business Traveller|date=1 March 2023|access-date=2 March 2023|language=en}} Dammam, Dehradun, Denpasar,{{cite web|url=https://www.aeroroutes.com/eng/241111-ainov24|title=Air India / Vistara NW24 Selected Mixed Aircraft International Service|work=Aeroroutes|accessdate=11 November 2024}} Dhaka,{{cite web|url=https://www.aeroroutes.com/eng/230731-aisep23dac|title=AIR INDIA RESUMES DELHI – DHAKA SERVICE FROM SEP 2023|work=Aeroroutes|accessdate=31 July 2023}} Dibrugarh, Doha, Dubai–International, Frankfurt, Gaya (begins 1 September 2025),{{cite news|last=Ganesh|first=Nishtha|title=Air India to start daily Delhi-Gaya flights from September 1|url=https://travelbizmonitor.com/top-stories/air-india-to-start-daily-delhi-gaya-flights-from-september-1/|work=Travel Biz Monitor|date=3 May 2025|access-date=4 May 2025|language=en}} Goa–Dabolim, Goa–Mopa,{{cite web|url=https://twitter.com/AviationAll_/status/1736733221843611961|title=Air India to launch Delhi to Goa–Mopa flights from January 2024|work=AviationAll|accessdate=18 December 2023}} Guwahati, Ho Chi Minh City,{{cite news|title=Air India to start Delhi-Ho Chi Minh City flights from June 1|url=https://indianexpress.com/article/business/aviation/air-india-delhi-ho-chi-minh-city-flights-june-1-9262529/|work=The Indian Express|date=10 April 2024|access-date=10 April 2024|language=en}} Hong Kong,{{Cite news|url=https://travelobiz.com/air-india-to-operate-additional-flights-between-delhi-and-hong-kong-starting-jan-02/|title=Air India To Operate Additional Flights Between Delhi And Hong Kong Starting Jan 02|first=Editorial|last=Team|date=21 December 2021|work=Travelobiz|access-date=22 February 2022}} Hyderabad, Imphal, Indore, Jammu, Jeddah, Jodhpur, Kathmandu, Kochi, Kolkata, Kuala Lumpur–International,{{cite web|url=https://www.aeroroutes.com/eng/240708-aisep24kul|title=AIR INDIA RESUMES DELHI – KUALA LUMPUR FROM MID-SEP 2024|work=Aeroroutes|accessdate=8 July 2023}} Leh, London–Heathrow, Lucknow, Malé, Manila (begins 1 October 2025),{{cite web|url=https://m.economictimes.com/nri/visit/air-india-to-start-direct-flights-from-delhi-to-manila-starting-this-october/articleshow/121617084.cms|title=Air India to start direct flights from Delhi to Manila starting this October|website=The Economic Times|access-date=June 4, 2025}} Melbourne, Milan–Malpensa,{{cite news|title=Air India resumes direct flight services between Milan and New Delhi|url=https://economictimes.indiatimes.com/industry/transportation/airlines-/-aviation/air-india-resumes-direct-flight-services-between-milan-and-new-delhi/articleshow/97552010.cms|work=The Economic Times|date=2 February 2023|access-date=2 February 2023|language=en}} Mumbai, Muscat, Nagpur, Nairobi–Jomo Kenyatta,{{cite news|url=https://www.aeroroutes.com/eng/230307-ainbo|title=AIR INDIA NS23 KENYA OPERATION CHANGES|work=Aeroroutes|accessdate=7 March 2023}} New York–JFK, Newark, Paris–Charles de Gaulle, Patna, Prayagraj,{{cite web|url=https://aviationa2z.com/index.php/2025/01/18/air-india-daily-flights-from-delhi-to-bhuj/#google_vignette|accessdate=18 January 2025 |title=Air India Launches New Flights from Delhi to Bhuj, Goes Daily to Prayagraj }} Phuket,{{cite web|url=https://www.aeroroutes.com/eng/231124-aidec23hkt|title=AIR INDIA ADDS DELHI – PHUKET FROM MID-DEC 2023|work=Aeroroutes|accessdate=24 November 2023}} Port Blair, Pune, Raipur, Rajkot,{{cite news|last=Mondal|first=Anish|title=Gujarat: Rajkot International Airport starts functioning, IndiGo to operate all its services from here – Details inside|url=https://www.financialexpress.com/business/airlines-aviation-gujarat-rajkot-international-airport-starts-functioning-indigo-to-operate-all-its-services-from-here-details-inside-3238365/|work=The Financial Express|date=10 September 2023|access-date=10 September 2023|language=en}} Ranchi, Riyadh, San Francisco, Seoul–Incheon, Siliguri, Singapore, Srinagar, Sydney, Tel Aviv,{{cite news|last=Makienko|first=Ira|title=Huge news for those flying to the East: Air India resumes operating flights to Israel|url=https://passportnews.co.il/article/194627|work=PassportNews|date=23 January 2025|access-date=23 January 2025|language=he}} Thiruvananthapuram, Tirupati, Tokyo–Haneda,{{cite web|url=https://www.news18.com/auto/air-india-shifts-delhi-tokyo-flights-to-haneda-from-31st-march-2025-expands-ana-partnership-9247896.html|title=Air India shifts Delhi-Tokyo flights to Haneda from 31st March 2025, Expands ANA partnership|publisher=News18|date=3 March 2025|accessdate=3 March 2025}} Toronto–Pearson{{ref|1|2}}, Udaipur, Vadodara, Vancouver, Varanasi, Vienna, Vijayawada, Visakhapatnam, Washington–Dulles{{ref|1|3}}, Yangon, Zürich{{cite web|url=https://www.aeroroutes.com/eng/240503-aijun24zrh|title=AIR INDIA RESUMES ZURICH SERVICE FROM JUNE 2024|work=Aeroroutes|accessdate=3 May 2024}}

| {{nowrap|Air India Express}} | Amritsar,{{cite web |title=Air India Express NS25 Domestic Network Additions – 16MAR25 |url=https://www.aeroroutes.com/eng/250317-ixns25dom |website=Aeroroutes |access-date=17 March 2025}} Ayodhya,{{cite web|url=https://twitter.com/ArenaJet/status/1736992051064172814|title=Air India Express to launch flights to Ayodhya from January 16|work=JetArena|accessdate=19 December 2023}} Bahrain,{{cite web|url=https://www.aeroroutes.com/eng/240415-ix2q24int|title=Air India Express 2Q24 Middle East Network Additions|publisher=AeroRoutes|date=15 April 2024|accessdate=15 April 2024}} Bengaluru, Bhubaneswar, Dammam,{{cite web|url=https://www.aeroroutes.com/eng/240708-aiixcodeshare|title=AIR INDIA EXPANDS AIR INDIA EXPRESS INTERNATIONAL CODESHARE FROM JULY 2024 |publisher=AeroRoutes|accessdate=8 July 2024}} Goa–Dabolim, Goa–Mopa, Guwahati, Gwalior, Imphal, Indore, Jaipur, Kochi, Lucknow,{{cite web|url=https://www.hindustantimes.com/cities/lucknow-news/now-airasia-india-flights-to-connect-lucknow-with-3-cities-101659703126217.html|title=AirAsia India to Lucknow|via=Hindustan Times|accessdate=16 June 2022}} Mangaluru,{{cite news|title=Mangaluru to have its first non-West Asia international flight to Singapore from January|url=https://www.thehindu.com/news/cities/Mangalore/mangaluru-to-have-its-first-non-west-asia-international-flight-to-singapore-from-january/article68973990.ece|language=en}} Mumbai, Patna, Pune, Ranchi, Sharjah, Siliguri, Srinagar, Surat{{cite web|url= https://twitter.com/ArenaJet/status/1613543612310261762|title=Air Asia India Returns to Surat |access-date=12 January 2023}}

| Air Mauritius | Mauritius{{cite web|url=https://www.aeroroutes.com/eng/230104-mkdel|title=AIR MAURITIUS RESUMES DELHI SERVICE FROM MAY 2023|work=Aeroroutes|accessdate=4 January 2023}}

| AirAsia X | Kuala Lumpur–International{{cite web |last1=Karp |first1=Aaron |title=AirAsia X Rebuilding Network After Two-Year Grounding |url=https://www.routesonline.com/news/29/breaking-news/297858/airasia-x-rebuilding-network-after-two-year-grounding/ |website=Routesonline |access-date=6 April 2022}}

| Akasa Air{{cite web|title=Akasa Air Flight Network|url=https://www.akasaair.com/fly-with-akasa/our-network|website=Akasa Air|access-date=29 May 2024}} | Ahmedabad, Ayodhya, Bengaluru, Darbhanga,{{cite web|url=https://timesofindia.indiatimes.com/city/delhi/akasa-air-to-start-direct-flights-from-delhi-to-darbhanga-on-april-4/articleshow/118616680.cms|title=Akasa Air to start direct flights from Delhi to Darbhanga on April 4|work=timesofindia|accessdate=28 February 2025}} Goa–Mopa, Gorakhpur, Hyderabad, Mumbai, Prayagraj, Pune

| All Nippon Airways | Tokyo–Haneda{{Cite news|agency=ANI |date=20 November 2019 |url=https://www.indiatoday.in/business/story/japan-s-ana-launches-direct-flight-between-chennai-and-tokyo-1620693-2019-11-20 |title=Japan's ANA launches direct flight between Chennai and Tokyo |magazine=India Today |access-date=3 May 2022}}

| Alliance Air{{cite web|title=Alliance Air Flight Network and Schedule|url=https://allianceair.in/schedule|website=Alliance Air|access-date=15 April 2025}} |Ayodhya,{{cite news|title=PM to kickstart air services from Hisar to key cities on April 14|url=https://www.tribuneindia.com/news/haryana/pm-to-kickstart-air-services-from-hisar-to-key-cities-on-april-14/|work=The Tribune|date=5 April 2025|access-date=5 April 2025|language=en}} Bareilly, Bathinda,{{cite web|url=https://centreforaviation.com/news/alliance-air-to-resume-delhi-bathinda-service-from-oct-2023-1225359|title=Alliance Air to resume Delhi-Bathinda service from Oct-2023|work=CAPA|accessdate=25 September 2023}} Bikaner,{{cite web|url=https://centreforaviation.com/news/alliance-air-to-resume-delhi-bikaner-service-from-oct-2023-1225358|title=Alliance Air to resume Delhi-Bikaner service from Oct-2023|work=CAPA|accessdate=25 September 2023}} Bilaspur,{{cite web|url=https://centreforaviation.com/news/alliance-air-commences-delhi-bilaspur-service-1231921|title=Alliance Air commences Delhi-Bilaspur service|work=Aeroroutes|accessdate=1 November 2023}} Chandigarh, Dehradun, Dharamshala, Gorakhpur, Hisar, Indore,{{cite web|url=https://twitter.com/ArenaJet/status/1638551874717581312|title=Alliance Air Summer Schedule Expansion|work=JetArena|access-date=22 March 2023}} Jabalpur, Jagdalpur,{{cite news|url=https://www.business-standard.com/india-news/dgca-issues-license-for-ambikapur-airport-to-begin-flight-operations-124031600270_1.html|title=DGCA issues license for Ambikapur airport to begin flight operations|quote=The chief minister inaugurated flight services from Bilaspur to Delhi and Kolkata on March 12, while the flight service Delhi-Jabalpur- Jagdalpur-Jabalpur-Delhi was also launched on the same day, the official said.|work=Business Standard|date=16 March 2024|access-date=16 March 2024|language=en}} Jaipur, Jammu, Kullu, Prayagraj, Shimla,{{cite news|author1=Bisht, Gaurav|title=Delhi-Shimla daily flight resumes after two years|url=https://www.hindustantimes.com/cities/chandigarh-news/delhishimla-daily-flight-resumes-after-two-years-101664184401162-amp.html|work=Hindustan Times|date=26 September 2022|access-date=27 September 2022|language=en}} Udaipur
Seasonal: Jaisalmer{{citation needed|date=December 2024}}

| American Airlines | New York–JFK{{cite web|url=https://www.americanairlines.in/intl/in/index.jsp|title=American Airlines flight booking|publisher=American Airlines|access-date=22 October 2021|archive-date=26 November 2022|archive-url=https://web.archive.org/web/20221126082857/https://www.americanairlines.in/intl/in/index.jsp|url-status=dead}}

| Ariana Afghan Airlines | Kabul{{cite web|url=https://amu.tv/13660/|title=Ariana Afghan Airlines resumes Kabul-Delhi flights|publisher=Amu|date=4 August 2022|accessdate=28 February 2025}}

| Armenia Airways | Yerevan{{cite news |last1=Liu |first1=Jim |title=Armenia Airways Files 2Q25 Delhi Schedule |url=https://www.aeroroutes.com/eng/250311-6a2q25del |access-date=11 March 2025 |work=AeroRoutes |date=11 March 2025 |language=en-CA}}

| Armenian Airlines | Yerevan (suspended){{cite news |title=Armenian Airlines temporarily suspends flights |url=https://www.arka.am/en/news/society/armenian-airlines-temporarily-suspends-flights/ |access-date=6 April 2025 |work=arka.am |agency=ARKA News Agency |date=17 March 2025 |language=en}}

| Azerbaijan Airlines | Baku

| Batik Air Malaysia | Kuala Lumpur–International

| Belavia | Minsk{{cite news |title=Belavia NS24 India Service Changes |url=https://www.aeroroutes.com/eng/240215-b2ns24in |access-date=15 February 2024 |work=AeroRoutes |date=15 February 2024 |language=en-CA}}

| Bhutan Airlines{{cite web|title=Flight Schedule from 1st Dec 2023 to 14th Feb 2024|url=https://www.bhutanairlines.bt/assets/bhutan-airlines-images/assets/uploads/flight%20schedule/Tentative%20Flight%20Schedule%20from%20Dec%2023%20to%20Nov%2024.pdf|work=Bhutan Airlines|access-date=4 December 2023}} | Kathmandu, Paro{{cite web|url=https://www.aeroroutes.com/eng/220726-b3sep22|title=Bhutan Airlines Tentatively Resumes Scheduled Service in Mid-Sep 2022|work=Aeroroutes|accessdate=14 August 2022}}

| {{nowrap|Biman Bangladesh Airlines}} | Dhaka{{Cite web|url=https://www.biman-airlines.com/|title=Your Home In The Sky|publisher=Biman Bangladesh Airlines|access-date=22 February 2022}}

| British Airways | London–Heathrow{{cite news|url=https://www.businesstoday.in/coronavirus/story/india-reopens-gates-to-tourists-from-99-countries-as-covid-19-cases-decline-312244-2021-11-15|title=India reopens gates to tourists from 99 countries as COVID-19 cases decline|author=Staff writers|magazine=Business Today|location=New Delhi|publisher=Living Media|date=15 November 2021 |access-date=15 November 2021}}

| Cambodia Angkor Air | Phnom Penh

| Cathay Pacific | Hong Kong{{cite web|title=Flight timetable|url=https://www.cathaypacific.com/cx/en_IN/book-a-trip/timetable.html|website=Cathay Pacific|access-date=13 January 2024}}

| Drukair{{cite web|title=SCHEDULE FOR PERIOD DECEMBER 2023|url=https://ast.twai.com/drukair/cms/SCH_DEC%202023%20UPDATED%20.pdf|website=Drukair|access-date=4 December 2023}} | Paro

| Egyptair | Cairo{{cite web|url=https://www.aeroroutes.com/eng/230615-msaug23del|title=EGYPTAIR MOVES DELHI LAUNCH TO AUGUST 2023|work=Aeroroutes|accessdate=15 June 2023}}

| Emirates | Dubai–International{{Cite web|url=https://www.emirates.com/in/english/help/covid-19/our-current-network-and-services/|title=Our current network and services | COVID-19 information hub | Emirates India|publisher=Emirates|access-date=22 February 2022}}

| Ethiopian Airlines | Addis Ababa

| Etihad Airways | Abu Dhabi

| Finnair | Helsinki{{cite web|url=https://www.finnair.com/in-en|title = Fly to over 100 destinations with Finnair|publisher=Finnair|date = 19 November 2021}}

| flydubai | Dubai–International{{cite web|title=Flydubai Resumption of Flights|url=https://www.flydubai.com/en/plan/covid-19/resumption-of-flights|website=Flydubai.com}}

| Flynas | Riyadh{{cite web|title=Flight Schedule|url=https://www.flynas.com/en/flight-schedule|website=flynas|access-date=8 February 2023}}

| Gulf Air | Bahrain{{Cite web|url=https://flights.gulfair.com/calendar?adt=1&chd=0&tnn=0&inf=0&flight_type=single&destination=BAH&origin=DEL&departure_date=20211129&cabin_class=A|title=Hold Up|website=Gulfair.com|access-date=22 February 2022}}

| IndiGo{{cite web|url=https://www.goindigo.in/information/flight-schedule.html|title=Flight Schedule for Domestic & International Flights |website=IndiGo.in |access-date=25 December 2018}}{{cite web|url=https://www.goindigo.in/information/international-travel-guidelines.html|title=International Destinations|website=Goindigo.in |access-date=20 November 2021}} |Abu Dhabi, Agartala, Ahmedabad, Aizawl, Amritsar, Aurangabad, Ayodhya,{{cite press release|title=IndiGo commences operations from Ayodhya, its 86th domestic destination|url=https://www.goindigo.in/press-releases/indigo-commences-operations-from-ayodhya.html|work=IndiGo|date=6 January 2024|access-date=10 January 2024|language=en}} Baku,{{cite news |last1=Liu |first1=Jim |title=IndiGo Restores Central Asia / Caucasus Operation From July 2025 |url=https://www.aeroroutes.com/eng/250605-6ens25euas |access-date=6 June 2025 |work=AeroRoutes |date=5 June 2025 |language=en-CA}} Bangkok–Suvarnabhumi,{{cite web |last1=Karp |first1=Aaron |title=IndiGo Restoring India-Thailand Links |url=https://www.routesonline.com/news/29/breaking-news/297722/indigo-restoring-india-thailand-links/ |website=Routesonline |access-date=15 March 2022}} Belgaum,{{cite web|url=https://www.newindianexpress.com/thesundaystandard/2023/aug/27/indigo-flight-from-belagavi-to-delhi-from-october-5-2609008.html|title=IndiGo flight from Belagavi to Delhi from October 5|work=The Indian Express|date=27 August 2023 |accessdate=28 August 2023}} Bengaluru, Bhopal, Bhubaneswar, Bikaner,{{cite web|url=https://timesofindia.indiatimes.com/city/pune/indigo-announces-flights-between-delhi-and-bikaner/articleshow/116876614.cms|title=IndiGo announces flights between Delhi and Bikaner|work=Times of India|accessdate=2 January 2025}} Chandigarh, Chennai, Coimbatore, Colombo–Bandaranaike, Dammam, Darbhanga,{{cite news|title=IndiGo's direct flights from Darbhanga to Delhi and Mumbai to begin on THIS date|url=https://www.financialexpress.com/business/airlines-aviation-indigo-to-start-direct-flights-from-darbhanga-to-delhi-and-mumbai-to-begin-on-this-date-3650355/|website=The Financial Express|date=27 October 2024|access-date=29 October 2024|language=en}} Dehradun, Deoghar,{{cite news|last=Pandey|first=Sunil|title=Deoghar Airport: दिल्ली से अब सीधे देवघर, आज से फ्लाइट सर्विस शुरू, पहली 'VIP' लैडिंग, जानें शेड्यूल|url=https://navbharattimes.indiatimes.com/state/jharkhand/deoghar/delhi-to-deoghar-direct-flight-service-will-start-today-rajiv-pratap-rudy-first-flight-landing-deoghar-airport/articleshow/93224124.cms|work=Navbharat Times|date=30 July 2022|access-date= 30 July 2022|language=hi}} Dhaka, Dharamshala,{{cite news|url=https://www.aeroroutes.com/eng/230307-6edom|title=INDIGO 1H23 DOMESTIC ROUTES ADDITION SUMMARY – 05MAR23|work=Aeroroutes|accessdate=7 March 2023}} Dibrugarh, Dimapur, Doha, Dubai–International, Durgapur, Gaya, Goa–Dabolim, Goa–Mopa,{{cite news|title=Goa's 2nd international airport starts operations, first flight lands from Hyderabad|url=https://www.newindianexpress.com/nation/2023/Jan/05/goas-2nd-international-airport-starts-operations-firstflight-landsfrom-hyderabad-2534958.html|work=The New Indian Express|date=5 January 2023|access-date=5 January 2023|language=en}} Gorakhpur, Guwahati, Hong Kong,{{cite web|url=https://www.aeroroutes.com/eng/230825-6eoct23hkg|title=INDIGO ADDS DELHI – HONG KONG SERVICE FROM OCT 2023|work=Aeroroutes|accessdate=25 August 2023}} Hubli,{{cite news|title=IndiGo starts direct flights between Delhi and Karnataka's Hubballi|url=https://www.moneycontrol.com/news/trends/travel-trends/indigo-starts-direct-flights-between-delhi-and-karnatakas-hubballi-9517991.html/amp|work=Moneycontrol|date=14 November 2022|access-date=14 November 2022|language=en}} Hyderabad, Imphal, Indore, Istanbul, Itanagar,{{cite web|url=https://centreforaviation.com/news/indigo-to-commence-delhi-donyi-service-in-oct-2023-1221658|title=IndiGo to commence Delhi-Donyi service in Oct-2023|work=CAPA|accessdate=4 September 2023}} Jabalpur, Jaipur, Jaisalmer,{{cite news|last=Sengupta|first=Joy|title=IndiGo announces connectivity to Jaisalmer|url=https://timesofindia.indiatimes.com/business/india-business/indigo-announces-connectivity-to-jaisalmer/articleshow/102917084.cms|work=The Times of India|date=21 August 2023|access-date=22 August 2023|language=en}} Jammu, Jeddah, Jharsuguda,{{cite web|url=https://odishabytes.com/indigo-announces-daily-direct-flight-from-jharsuguda-to-new-delhi-from-may-15-know-schedule/amp|title=IndiGo announces daily direct flight from Jharsuguda to New Delhi from May 15|work=Odisha Bytes|date=15 April 2024 |accessdate=15 April 2024}} Jodhpur, Jorhat, Kannur,{{cite news|title=IndiGo to resume Kannur-Delhi daily flights from December 12|url=https://www.thehindu.com/news/national/kerala/indigo-to-resume-kannur-delhi-daily-flights-from-december-12/article68905332.ece|work=The Hindu|date=24 November 2024|access-date=6 December 2024|language=en}} Kanpur,{{cite web|title=Flight Schedule|url=https://www.goindigo.in/booking/flight-select.html|website=IndiGo|access-date=16 June 2023}} Kathmandu, Khajuraho,{{cite news|last=Velani|first=Bhavya|title=IndiGo Launches the New and 80th Destination as Khajuraho|url=https://aviationa2z.com/index.php/2023/08/22/indigo-launches-80th-destination-as-khajuraho/|work=Aviation A2Z|date=22 August 2023|access-date=22 August 2023|language=en}} Kochi, Kolkata, Kozhikode, Kuwait City, Leh, Lucknow, Madurai, Malé,{{cite news|title=Delhi-Male Direct Flight by Indigo Restarts Operations From Nov 1, Details Here|url=https://www.news18.com/auto/delhi-male-direct-flight-by-indigo-restarts-operations-from-nov-1-details-here-8570664.html|work=News18|date=9 September 2023|access-date=10 September 2023|language=en}} Mangaluru, Mumbai, Nagpur, Nashik,{{cite news|title=IndiGo Announces New Flights Between Delhi and Nashik|url=https://www.deccanchronicle.com/business/indigo-announces-new-flights-between-delhi-and-nashik-888597|website=Deccan Chronicle|date=6 April 2024|access-date=6 April 2024|language=en}} Pantnagar,{{cite web |title=IndiGo strengthens domestic network with the launch of Pantnagar as 72nd destination in 6E network |url=https://www.goindigo.in/content/dam/goindigo/investor-relations/press-releases/2022/220223_IndiGo-strengthens-domestic-network-with-the-launch-of-Pantnagar-as-72nd-destination-in-6E-network.pdf |website=IndiGo |access-date=23 February 2022}} Patna, Phuket, Port Blair, Prayagraj, Pune, Raipur, Rajahmundry, Rajkot, Ranchi, Riyadh, Sharjah, Silchar, Siliguri, Singapore,{{cite web|url=https://www.zeebiz.com/economy-infra/aviation/news-indigo-adds-flights-to-singapore-bangkok-after-go-first-cancels-flights-interglobe-aviation-share-price-on-bse-nse-233237|title=IndiGo strengthens connectivity to Southeast Asia, adds flights connecting Singapore, Bangkok|work=Zee Business|accessdate=3 May 2023}} Srinagar, Surat, Tbilisi, Thiruvananthapuram, Tirupati, Udaipur, Vadodara, Varanasi, Vijayawada,{{cite news|title=Vijayawada Airport: Good news for Vijayawada residents..IndiGo to operate daily flight services to Delhi from now on|url=https://zeenews.india.com/telugu/ap/indigo-daily-service-vijayawada-to-new-delhi-starts-from-sept-14th-rv-156746|website=Zee Telugu News|date=15 August 2024|access-date=17 August 2024|language=telugu}} Visakhapatnam

| Iraqi Airways{{cite web|title=Route Map Iraqi Airways|url=https://flyiraqiairways.com/about/route-map|website=Iraqi Airways|access-date=19 May 2023}} | Baghdad, Basra

| ITA Airways | Rome–Fiumicino{{cite news|title=Ita Airways, inaugurato il volo Roma Fiumicino-Nuova Delhi|url=https://notizie.tiscali.it/regioni/lazio/articoli/ita-airways-inaugurato-volo-roma-fiumicino-nuova-delhi-00001/|work=Tiscali Notizia|date=3 December 2022|access-date=4 December 2022|language=it}}

| Japan Airlines | Tokyo–Haneda

| Jazeera Airways | Kuwait City{{Cite web|url=https://booking.jazeeraairways.com/en/select-flight|title=Jazeera Airways|website=Booking.jazeeraairways.com|access-date=22 February 2022}}

| Kam Air | Kabul{{cite web|title=Route Map|url=https://kamair.com/plan-my-trip/route-map|website=Kam Air|access-date=19 May 2023|archive-date=16 February 2023|archive-url=https://web.archive.org/web/20230216135114/https://www.kamair.com/plan-my-trip/route-map|url-status=dead}}

| KLM | Amsterdam

| Korean Air | Seoul–Incheon{{cite web|title=Where We Fly - Routemap|url=https://www.koreanair.com/route-map|website=Korean Air|access-date=19 May 2023}}

| Kuwait Airways | Kuwait City

| LOT Polish Airlines | Warsaw–Chopin{{cite web|url=https://www.lot.com/in/en |title=Lot Booking|website=Lot.com|access-date=22 February 2022}}

| Lufthansa{{cite web|url=https://mobile.lufthansa.com/rs/revenue?execution=e1s1&l=en|title=Flight Search|website=Mobile.lufthansa.com|access-date=22 February 2022}}{{dead link|date=August 2023|bot=medic}}{{cbignore|bot=medic}} | Frankfurt,{{Cite web|url=https://www.lufthansa.com/xx/en/flights/flight-frankfurt-delhi|title=Flight from Frankfurt to Delhi|website=Lufthansa.com|access-date=22 February 2022}} Munich

| Mahan Air | Tehran–Imam Khomeini{{cite web|title=International Destinations|url=https://www.mahan.aero/en/international-route|website=Mahan Air|access-date=19 May 2023}}

| Malaysia Airlines | Kuala Lumpur–International{{cite news|title=Malaysia likely to reopen to international travellers from January 1|url=https://timesofindia.indiatimes.com/travel/travel-news/malaysia-likely-to-reopen-to-international-travellers-from-january-1/as87669719.cms|newspaper=The Times Of India|access-date=17 November 2021}}

| {{nowrap|Myanmar Airways International}} | Yangon{{cite web|title=Schedule to Delhi|url=https://book-myanmar.crane.aero/ibe/availability/?currency=USD&language=en&tripType=ONE_WAY&depPort=RGN&arrPort=DEL&departureDate=19/05/2023&returnDate=19/05/2023&passengerQuantities%5B0%5D.passengerType=ADULT&passengerQuantities%5B0%5D.quantity=1&passengerQuantities%5B1%5D.passengerType=CHILD&passengerQuantities%5B1%5D.quantity=0&passengerQuantities%5B2%5D.passengerType=INFANT&passengerQuantities%5B2%5D.quantity=0&passengerQuantities%5B3%5D.passengerType=NTNL&passengerQuantities%5B3%5D.quantity=0&availabilityParametricLinkRequestParams=0&withCalendar=true|website=Myanmar Airways International|access-date=19 May 2023}}

| Nepal Airlines | Kathmandu{{Cite web|url=https://nepalairlines.com.np/home/schedule/international|title=International || Nepal Airlines Corporation|website=Nepalairlines.com.np|access-date=22 February 2022}}

| Oman Air | Muscat{{Cite web|url=https://www.omanair.com/gbl/en|title=Oman Air | The New Wings of Oman|first=Oman|last=Air|website=Omanair.com|access-date=22 February 2022}}

| Qantas | Seasonal: Melbourne{{cite web|url=https://www.qantasnewsroom.com.au/media-releases/qantas-and-jetstar-gear-up-for-accelerated-border-opening/|title=Qantas and Jetstar gear up for accelerated border opening|publisher=Qantas|date=22 October 2021|access-date=22 October 2021}}

| Qatar Airways | Doha{{Cite web|url=https://booking.qatarairways.com/nsp/views/timeTableIndex.xhtml|title=Flight timetable|website=Booking.qatarairways.com|access-date=22 February 2022}}

| Royal Jordanian | Amman–Queen Alia (resumes 17 September 2025){{cite web|url=https://www.aeroroutes.com/eng/250109-rjns25in|title=Royal Jordanian Resumes India Service in NS25|work=AeroRoutes|accessdate=9 January 2025}}

| SalamAir | Muscat{{cite web|url=https://www.aeroroutes.com/eng/240311-ovns24|title=SALAMAIR NS24 NETWORK ADDITIONS|work=Aeroroutes|accessdate=11 March 2024}}

| Saudia | Jeddah, Riyadh

| Singapore Airlines | Singapore{{cite web|url=https://timesofindia.indiatimes.com/business/india-business/singapore-airlines-to-start-india-flights-from-nov-29/articleshow/8|title=Singapore Airlines to start India Flights|website=The Times of India|access-date=23 November 2021}}

| Somon Air | Dushanbe

| SpiceJet{{cite web|url= https://corporate.spicejet.com/schedules.aspx |title=SpiceJet Flight Schedule|publisher=Official Website of SpiceJet|access-date=5 April 2025}} | Ahmedabad, Ayodhya,{{cite web|url=https://twitter.com/ArenaJet/status/1747571890175328335|title=SpiceJet expands Ayodhya flights from February|work=JetArena|accessdate=17 January 2024}} Bangkok–Suvarnabhumi, Bengaluru, Chennai, Darbhanga, Dharamshala, Dubai–International, Goa–Mopa, Guwahati, Hyderabad, Jabalpur, Jaisalmer, Jammu, Jeddah, Kandla, Kathmandu,{{cite news|last=Sengupta|first=Joy|title=SpiceJet to start direct flight between Delhi-Kathmandu from May 10|url=https://timesofindia.indiatimes.com/city/pune/spicejet-to-start-direct-flight-between-delhi-kathmandu-from-may-10/articleshow/119969130.cms|date=4 April 2025|access-date=5 April 2025|language=en}} Khajuraho, Kolkata, Leh, Mumbai, Patna, Pune, Shillong,{{cite news|title=SpiceJet connects Shillong to national capital|url=https://theshillongtimes.com/2023/02/25/spicejet-connects-shillong-to-national-capital/|work=The Shillong Times|date=25 February 2023|access-date=25 February 2023|language=en}} Shirdi, Siliguri, Srinagar, Varanasi
Seasonal: Jodhpur,{{citation needed|date=December 2024}} Prayagraj{{cite web|url=https://www.aeroroutes.com/eng/250102-sg1q25ixd|title=SpiceJet Adds Prayagraj Service in 1Q25|date=2 January 2025|website=Aeroroutes}}

| SriLankan Airlines | Colombo–Bandaranaike{{citation needed|date=December 2024}}

| {{nowrap|Swiss International Air Lines}} | Zürich{{Cite journal|author=|journal=OAG Flight Guide Worldwide|title=Zurich|date=November 2023|volume=25|issue=5|publisher=OAG Aviation Worldwide Limited|publication-place=Luton, United Kingdom|issn=1466-8718|language=en|pages=1134–1140}}

| Thai AirAsia X | Bangkok–Don Mueang{{cite web|title=Thai AirAsia X opens new direct route between Thailand and India|url=https://www.traveldailymedia.com/thai-airasia-x-opens-new-direct-route-between-thailand-and-india/|website=traveldailymedia|access-date=15 November 2024}}

| {{nowrap|Thai Airways International}} | Bangkok–Suvarnabhumi{{cite web|url=https://scandasia.com/thai-airways-to-resume-international-services-to-36-destinations-including-denmark-and-sweden/|title=Thai Airways to resume international services to 36 destinations including Denmark and Sweden|date=15 October 2021 |access-date=15 October 2021}}

| Turkish Airlines | Istanbul{{Cite web|url=https://www.turkishairlines.com/en-in/flights/booking/availability/?cId=7f2b78d8-5c98-4631-9e8f-a6a713ce9151|title=Turkish Airlines Booking Availability|date=22 November 2021|archive-url=https://web.archive.org/web/20211122211612/https://www.turkishairlines.com/en-in/flights/booking/availability/?cId=7f2b78d8-5c98-4631-9e8f-a6a713ce9151 |access-date=22 May 2022|archive-date=22 November 2021 }}

| Turkmenistan Airlines | Aşgabat{{cite news |last1=Liu |first1=Jim |title=Turkmenistan Airlines 3Q25 Delhi Service Increases |url=https://www.aeroroutes.com/eng/250404-t53q25del |access-date=6 April 2025 |work=AeroRoutes |date=4 April 2025 |language=en-CA}}

| United Airlines | Newark

| Uzbekistan Airways | Tashkent{{cite web|url=https://book.uzairways.com/en/booking/search/|title=Ticket Search|website=Book.uzairways.com|access-date=22 February 2022}}

| VietJet Air | Hanoi,{{cite web |title=VietJet Air Plans 3Q22 India Network Expansion |url=https://aeroroutes.com/eng/220320-vjin |website=Aeroroutes |access-date=20 March 2022}} Ho Chi Minh City

| Vietnam Airlines | Hanoi, Ho Chi Minh City{{cite web|url=https://en.vietnamplus.vn/vietnam-airlines-launches-direct-route-to-india/231202.vnp|title=Vietnam Airlines launches direct route to India|date=15 June 2022|work=Vietnam+|accessdate=15 June 2022|language=en}}

| Virgin Atlantic | London–Heathrow{{cite web|url=https://flights.virginatlantic.com/en-in/flights-from-delhi-to-london|title=Flights to London (LON) from Delhi (DEL) 2022/2023| Virgin Atlantic|website=flights.virginatlantic.com|access-date=22 May 2022}}

| Zooom Air | Ayodhya{{cite news|last=Velani|first=Bhavya|title=Zooom Airlines Return After More than 5 Years with New Flights to Ayodhya|url=https://aviationa2z.com/index.php/2024/01/31/zooom-airlines-return-after-more-than-5-years-with-new-flights-to-ayodhya/|work=Aviation A2Z|date=31 January 2024|access-date=5 January 2024|language=en}}{{cite web|title=Explore Ayodhya–Find your next destination with us|url=https://zooom.paxlinks.com/|website=Zooom Air|access-date=5 February 2024}}

}}{{note|1|1}} Air India flights from Delhi to Chicago makes a technical stop at Vienna for refueling. Air India does not carry passengers solely from Vienna to Chicago, nor does the airline have fifth freedom rights to do so. The flights from Chicago to Delhi are nonstop.

{{Note|2|2}} Air India flights from Delhi to Toronto makes a technical stop at Vienna for refueling. Air India does not carry passengers solely from Vienna to Toronto, nor does the airline have fifth freedom rights to do so. The flights from Toronto to Delhi are nonstop.

{{Note|3|3}}Air India flights from Delhi to Washington makes a technical stop at Vienna for refueling. Air India does not carry passengers solely from Vienna to Washington, nor does the airline have fifth freedom rights to do so. The flights from Washington to Delhi are nonstop.

{{Airport destination list|3rdcoltitle={{Reference heading}}|3rdcolunsortable=yes

| AeroLogic | Leipzig/Halle|

| Aerotranscargo | Brisbane, Hanoi, Ho Chi Minh City, Hong Kong, Melbourne|{{cite web|title=Home|url=https://www.atc-md.aero/|website=Aerotranscargo}}

| Amazon Air | Bengaluru, Hyderabad, Mumbai|{{cite news|author1=Staff writers|title=Amazon Air takes off in India|url=https://www.aboutamazon.in/news/operations/amazon-air-takes-off-in-india|work=Amazon|date=23 January 2023|access-date=18 February 2023|language=en-US}}

| Astral Aviation | Hong Kong, Nairobi–Jomo Kenyatta, Sharjah|{{cite press release|title=ASTRAL AVIATION AND SPICEXPRESS ENTER INTO A PIONEERING INTERLINE AGREEMENT FOR SEAMLESS CARGO CONNECTIONS ACROSS INDIA, AFRICA AND THE MIDDLE EAST|url=https://astral-aviation.com/astral-aviation-and-spicexpress-enter-into-a-pioneering-interline-agreement-for-seamless-cargo-connections-across-india-africa-and-the-middle-east/|work=Astral Aviation|date=4 February 2021|access-date=31 July 2023|language=en}}

| Atlas Air | Baku, Bangkok–Suvarnabhumi, Dubai–Al Maktoum, Hanoi, Hong Kong, Riyadh, Seoul–Incheon, Zaragoza, Yangon|{{cite web|title=Atlas Air Schedule|url=http://jumpseat.atlasair.com/travel/schedule.asp|website=Atlas Air|access-date=10 April 2024}}

| Blue Dart Aviation | Ahmedabad, Bengaluru, Chennai, Kolkata, Mumbai|{{cite web|url=https://www.bluedartaviation.com/corporatebg_net.htm|title=Destinations, Blue dart Aviation|publisher=Official Website of Blue Dart Aviation|access-date=10 September 2015|archive-date=28 July 2020|archive-url=https://web.archive.org/web/20200728223435/https://bluedartaviation.com/|url-status=dead}}

| Cathay Cargo | Bengaluru, Hong Kong, Hyderabad, London–Heathrow, Milan–Malpensa, Paris–Charles de Gaulle|{{cite web|url=http://www.cathaypacificcargo.com/ManageYourShipment/CheckFlightSchedule/tabid/117/orig/HKG/dest/DEL/type/F/date/07May18/clientdate/2018-05-02/language/en-US/Default.aspx|title=Check Flight Schedule: Cathay Pacific Cargo|access-date=2 May 2018}}{{cite web|url=http://www.cathaypacificcargo.com/Default.aspx?tabid=252&portalid=0&language=en-US&code=DEL|title=Network|work=Cathay Pacific Cargo|access-date=2 May 2018}}

| China Airlines Cargo | Luxembourg, Taipei–Taoyuan|{{cite web |url=http://www.stattimes.com/index.php/air-china-airlines-cargo-resumes-freighter-operations-india-after-four-years/ |title=China Airlines Cargo resumes freighter operations to India after four years | Air Cargo News |website=Stattimes.com |access-date=2 December 2016 |archive-date=31 July 2017 |archive-url=https://web.archive.org/web/20170731185505/http://www.stattimes.com/index.php/air-china-airlines-cargo-resumes-freighter-operations-india-after-four-years/ |url-status=dead }}{{cite web|url=http://focustaiwan.tw/news/aeco/201608250021.aspx |title=China Airlines to resume cargo services to India | FOCUS TAIWAN – CNA ENGLISH NEWS |website=Focustaiwan.tw |date=25 August 2016 |access-date=2 December 2016}}

| DHL Aviation | Hong Kong, Leipzig/Halle|{{cite web|url=http://www.globe-air-cargo.de/fileadmin/daten/pdfs/ungeschuetzt/Flugplaene/QY_Flugplan_ab_01JUL16.pdf|title=DHL Aviation – Flight Schedule|access-date=2 May 2018|publisher=Globe Air Cargo|archive-date=4 April 2023|archive-url=https://web.archive.org/web/20230404002339/http://www.globe-air-cargo.de/fileadmin/daten/pdfs/ungeschuetzt/Flugplaene/QY_Flugplan_ab_01JUL16.pdf|url-status=dead}}

| Ethiopian Cargo | Addis Ababa, Chongqing |{{cite web|title= Cargo Network|publisher= Ethiopian Airlines|url= http://www.ethiopianairlines.com/en/cargo/network.aspx|archive-url= https://web.archive.org/web/20140408103155/http://www.ethiopianairlines.com/en/cargo/network.aspx|archive-date= 8 April 2014}}

| FedEx Express | Chengdu–Shuangliu, Dubai–International, Guangzhou, Memphis|{{cite web|title=FedEx – Express Delivery, Courier & Shipping Services – India|url=

https://www.fedex.com/en-in/home.html|website=FedEx|access-date=21 June 2023}}

| IndiGo CarGo | Bengaluru,{{Cite web|url=https://twitter.com/BLRAirport/status/1680548309478387712|title=BLR Airport (@BLRAirport) on X}} Kolkata, Mumbai, Sharjah|{{cite news|title=IndiGo CarGo starts operations with first freighter Delhi-Mumbai flight|url=https://economictimes.indiatimes.com/industry/transportation/airlines-/-aviation/indigo-cargo-starts-operations-with-first-freighter-delhi-mumbai-flight/articleshow/95538731.cms|work=The Economic Times|date=15 November 2022|access-date=28 November 2022|language=en}}

| Korean Air Cargo | Hanoi, Seoul–Incheon, Vienna|{{cite web|url=https://www.eturbonews.com/227680/korean-air-launches-cargo-flights-to-delhi-india|title=Korean Air launches cargo flights to Delhi, India|date=10 July 2018|access-date=2 August 2018|publisher=Eturbonews}}

| Lufthansa Cargo | Dhaka, Frankfurt, Guangzhou, Jakarta–Soekarno-Hatta, Krasnoyarsk|{{cite web|title=Flight Schedule|url=https://lufthansa-cargo.com/network/schedule-routings|website=Lufthansa Cargo|access-date=18 February 2023}}

| MASkargo | Chennai, Kuala Lumpur–International|{{cite web|url=http://www.maskargo.com/fleet-network|title=Fleet & Network|access-date=4 May 2018|publisher=Official Website of MASkargo}}{{cite web|url=https://www.routesonline.com/news/38/airlineroute/279258/maskargo-adds-new-intra-asia-routing-in-s18/ |title=MASKargo adds new intra-Asia routing in S18 |publisher=Routesonline |access-date=8 July 2018}}

| Qatar Cargo | Doha|{{cite web|url=http://www.qrcargo.com/docs/03.Summer%2018%20Freighter%20Schedule%20Issue%203%20-%20Effective%201st%20May%202018%20to%2027th%20Oct%202018.pdf|title=Summer 18 Freighter Schedule Issue 3: 1st May to 27th Oct 2018|publisher=Official Website of Qatar Airways Cargo|access-date=5 May 2018|page=2}}

| SF Airlines | Chengdu–Shuangliu, Ezhou, Shenzhen, Wuhan|{{cite web|title=SF Airlines commences Shenzhen-Delhi service|url=https://centreforaviation.com/news/sf-airlines-commences-shenzhen-delhi-service-947531|work=CAPA|access-date=21 October 2019}}{{cite web|title=SF Standard Express (International Services)|url=https://www.sf-international.com/us/en/product_service/International/standard_express/|website=SF International|access-date=21 June 2023}}

| Sichuan Airlines Cargo | Chengdu–Tianfu|{{cite web|title=China Sichuan Airlines - Flight Status–3U9016 (DEL-TFU)|url=https://global.sichuanair.com/m/views/flightstatus/#!/flightdetail/0|website=Sichuan Airlines|access-date=29 June 2023}}

| Silk Way West Airlines | Baku|

| Singapore Airlines Cargo | Singapore|

| SpiceXpress | Hanoi, Kolkata, Leh,{{cite web|url=https://www.business-standard.com/article/companies/spicejet-launches-dedicated-freighter-services-to-leh-in-ladakh-120112600827_1.html|title=SpiceJet launches dedicated freighter services to Leh in Ladakh|work=Business Standard|access-date=10 December 2020}} Mumbai|{{cite web|url=https://www.spicejet.com/PressReleaseNewsPage.aspx?strNews=seasonallyweakquarter|title=Press Release News Page|website=Spicejet.com|access-date=18 December 2019}}

| Turkish Cargo | Hanoi, Istanbul|{{cite web|url=http://www.turkishcargo.com.tr/documents/Turkishcargo/download_2015/S15_CARGO_SCHEDULE(UTC)-ekim-sonu-EN.pdf|title=Winter 2016 Cargo Schedule (16–22 Jan 2017)|work=Turkish Airlines Cargo|access-date=27 February 2017|archive-url=https://web.archive.org/web/20170623030532/http://www.turkishcargo.com.tr/documents/Turkishcargo/download_2015/S15_CARGO_SCHEDULE(UTC)-ekim-sonu-EN.pdf|archive-date=23 June 2017|url-status=dead}}

| UPS Airlines | Bangkok–Suvarnabhumi, Cologne/Bonn, Dubai–International|{{cite web|url=https://www.thehindubusinessline.com/economy/logistics/with-ups-using-delhi-airport-as-hub-for-freighter-north-based-firms-may-benefit/article29824925.ece|url-status=dead|title=With UPS using Delhi airport as hub for freighter, North-based firms may benefit - the Hindu BusinessLine|access-date=29 October 2019|archive-url=https://web.archive.org/web/20191029173806/https://www.thehindubusinessline.com/economy/logistics/with-ups-using-delhi-airport-as-hub-for-freighter-north-based-firms-may-benefit/article29824925.ece|archive-date=29 October 2019}}

| YTO Cargo Airlines | Guangzhou, Nanning|{{cite web|title=Global Cargo Offices|url=https://www.ytoglobal.com/global?type=office|website=YTO Cargo Airlines|access-date=12 August 2023}}

}}

{{Airport-Statistics|iata=DEL}}

IGI complex has four passenger terminals, one cargo terminal and a commercial Aerocity.{{clarify|date=October 2024}} These are the Terminal 1 in the northeast corner for the domestic flights, Aerocity commercial hub in the southeast corner, co-located in Terminal 2 (for domestic budget airlines) and Terminal 3 (international flights) in the southwest corner, cargo terminal between Terminal 3 and Aerocity.

Delhi Aerocity metro station is the main interconnectivity hub for the IGI on Yellow Line (operational) and Golden Line (expected completion by March 2026),{{cite news|title=Delhi's Airport Metro set for silver line extension to terminal 1|url=https://www.constructionworld.in/policy-updates-and-economic-news/delhis-airport-metro-set-for-silver-line-extension-to-terminal-1/48426|work=Construction World|date=12 January 2024|access-date=14 January 2024|language=en}} with the existing NH48 and existing Dwarka Expressway next to it. Also adjacent to it are the proposed Aerocity ISBT (west of the Aerocity metro station),{{cite news |last1=सोनी |first1=प्रशांत |last2=श्रीवास्तव |first2=अनुज |date=15 December 2023 |title=IGI एयरपोर्ट के पास बनेगा नया बस अड्डा, यूपी -पंजाब के यात्रियों को होगा सीधा फायदा |url=https://navbharattimes.indiatimes.com/metro/delhi/other-news/new-isbt-will-be-built-near-igi-airport-up-punjab-and-many-state-passengers-use-it/articleshow/106011473.cms |work=Navbharat Times |language=hi |access-date=16 December 2023}} underground Delhi Aerocity RRTS on Delhi–Alwar Regional Rapid Transit System (expected completion by December 2024, east of the Aerocity metro station),[https://www.dailypioneer.com/2018/state-editions/tender-floated-for-construction-of-rapid-rail.html Tender floated for construction of Rapid Rail], Daily Pioneer, 25 December 2018. proposed at-grade Automatic People Mover (APM) light rail for moving passengers between various terminals within the restricted area, and under-construction Aerocity Passenger Transport Centre (PTC) (east of the Aerocity metro station) for connectivity via autorickshaw, ride hailing bikes and cars, etc.[https://www.hindustantimes.com/cities/delhi-news/isbt-metro-rrts-passenger-mover-in-aerocity-hub-vision-101703095803103.html ISBT, Metro, RRTS, passenger mover in Aerocity hub vision], Hindustan Times, 21 December 2023. The upgraded Bijwasan railway station (expected completion by December 2024) is adjacent to the Dwarka Sector 21 metro interchange station on Orange and Blue Line, and Bijwasan railway station will connect to the Haryana Orbital Rail Corridor (expected completion by March 2025) via the Patli railway station in the south.

In September 2024, DIAL issued tenders for an elevated cum at-grade Automated People Mover (APM) system to be completed by the end of 2027. The 7.7 km line will have four stops — T2/3, T1, Aerocity and cargo city. This line will be the first APM at an Indian airport and is proposed to be implemented on a design, build, finance, operate and transfer (DBFOT) model.{{cite web|url=https://economictimes.indiatimes.com/industry/transportation/airlines-/-aviation/delhi-airport-to-get-indias-first-air-train-to-connect-terminal-1-with-t2-and-t3/articleshow/113623556.cms |title=Delhi airport to get India's first air train, will connect Terminal 1 with T2 and T3 | work=The Economic Times|date= 24 September 2024|access-date=27 September 2024}}

File:DelhiMetro AirportExpress 20111214.jpg

IGI complex has three metro stations. Terminal 1 in the northeast corner of IGI Complex is served by the Terminal 1-IGI Airport metro station on the Magenta Line of Delhi Metro.{{cite news|url=https://timesofindia.indiatimes.com/city/delhi/metro-walks-the-talk-on-connect-to-terminal-1/articleshow/64295501.cms|title=Metro walks the talk on connect to terminal 1|newspaper=The Times of India|date=24 May 2018|access-date=28 May 2018|author=Sidharatha Roy|place=New Delhi|agency=TNN}}

Terminal 2 and Terminal 3 are co-located in the southwest. Both are served by the same IGI Airport metro station on the Orange Line (Airport Express Line), which runs from New Delhi metro station (Connects to Yellow Line and New Delhi Railway Station) to Dwarka Sector 21 metro station (connects to Blue Line, Bijwasan railway station and Dwarka ISBT Bus Terminal) and IICC - Dwarka Sector 25 metro station (India International Convention and Expo Centre, will be further extended to Gurgaon), with trains running every 10 minutes.{{cite web|url=http://www.delhiairportexpress.com/home/index.html|title=Website Airport Metro Express Delhi |publisher=delhiairportexpress.com |access-date=1 December 2016|url-status=usurped |archive-url=https://web.archive.org/web/20120620014256/http://www.delhiairportexpress.com/home/index.html |archive-date=20 June 2012}}{{cite news|url=http://www.indianexpress.com/news/airport-line-handed-over-to-reliance-infra/621131/0|title=Airport line handed over to Reliance Infra|work=The Indian Express|date=20 May 2010| access-date=5 June 2010}} Dwarka Sector 21 metro station, west of IGI, is the metro interchange of Orange and Blue Line. Kirti Nagar to Bamnoli Metrolite, proposed light metro, will interchange at IICC - Dwarka Sector 25 metro station for connectivity to the airport.{{Cite news |title=Delhi Metro's Much-awaited Phase 4 Gets AAP Govt's Nod, Likely to be Ready by 2024 |url=https://www.news18.com/news/india/delhi-metros-much-awaited-phase-4-gets-aap-govts-nod-likely-to-be-ready-by-2024-1978485.html |website=News18 |agency=PTI |date=20 December 2018 |access-date=16 May 2022}} Bamnoli will also be connected further south to Rapid Metro Gurgaon (at Rezang La Chowk in Palam Vihar) via the existing IICC - Dwarka Sector 25 metro station (India International Convention and Expo Centre).{{cite news |title=Joy after long wait as Gurgaon Metro gets central green light |url=https://timesofindia.indiatimes.com/city/delhi/joy-after-long-wait-as-gurgaon-metro-gets-central-green-light/articleshow/100834637.cms |work=The Times of India |date=8 June 2023 |access-date=16 December 2023}} East of IGI, the line connects to the Yellow Line and New Delhi Railway Station at New Delhi Station. The line also links the Pink Line at Dhaula Kuan (Walkover Bridge between Dhaula Kuan and Durgabai Deshmukh South Campus Station).

Delhi Aerocity metro station in southeast corner of IGI, between Terminal 1 and Terminals 2 and 3 metro stations, is the metro interchange of Orange and Magenta lines. Metro Phase-IV is extending the Magenta Line further east from Arocity Metro to Tuglakabad, via Vasant Kunj and Mehrauli Archaeological Park, with expected completion by 2026.

Bijwasan railway station, immediately to the west of IGI on the Delhi–Jaipur line, is being upgraded to a major world-class regional multimodal transport hub. Construction for ₹270.83 crore project started in 2022 and is scheduled to be completed in 2024.{{cite news |last1=Sinha |first1=Akash |title=Delhi to get world-class railway station at Bijwasan; Safdarjung station to also get a new swanky building by 2024 |url=https://www.moneycontrol.com/news/business/real-estate/delhi-to-get-world-class-railway-station-at-bijwasan-safdarjung-station-to-also-get-a-new-swanky-building-by-2024-8430251.html |access-date=16 December 2023 |work=Moneycontrol |date=29 April 2022 |language=en}}

Hisar International Airport-IGI Airport line (HIAIGI Line) will directly connect IGI with Hisar Airport. In the first phase, the missing Garhi Harsaru-Farukhnagar–Jhajjar rail link will be constructed. In the second phase, a short Hisar Airport rail line spur from the Jakhal–Hisar line to Hisar Airport will be constructed.

Haryana Orbital Rail Corridor (HORC) connects to the Delhi–Jaipur line at Patli railway station few kilometres south of Bijwasan. HORC will also provide direct rail connectivity to the Noida Airport via the Palwal-Jewar rail spur.

Another smaller station near IGI on the Delhi–Jaipur line is the Palam railway station, located north of Bijwasan station and northeast of IGI, {{convert|4.8|km|mi}} and {{convert|12|km|mi}} from Terminals 1 and 3 respectively. Several suburban passenger trains run regularly between these stations.{{cite web|url=http://indiarailinfo.com/station/map/5424 |title=Shahabad Mohamadpur/SMDP Railway Station Satellite Map – India Rail Info – A Busy Junction for Travellers & Rail Enthusiasts |publisher=India Rail Info |date=26 April 2010|access-date=24 January 2012}}{{cite web|url=http://indiarailinfo.com/station/map/352?a=1 |title=Palam/PM Railway Station Satellite Map – India Rail Info – A Busy Junction for Travellers & Rail Enthusiasts |publisher=India Rail Info |date=26 April 2010|access-date=24 January 2012}}

File:Delhi Gurgaon Toll Gate.jpg

The airport, which lies in south Delhi near the border with Haryana state, is connected to Delhi in the north and Gurgaon in Haryana in the south by two expressways, both of which have eight lanes, the older and busier 27.7 km long at-grade Delhi–Gurgaon Expressway NH 48 (part of Delhi-Jaipur National Highway) which runs through Gurgaon and the newer 26.7 km long elevated Dwarka Expressway NH-248BB which passes west of Gurgaon.{{cite web|author=TNN |url=http://articles.timesofindia.indiatimes.com/2009-01-08/delhi/28057633_1_visa-card-holders-toll-plaza-visa-credit |archive-url=https://web.archive.org/web/20110917131642/http://articles.timesofindia.indiatimes.com/2009-01-08/delhi/28057633_1_visa-card-holders-toll-plaza-visa-credit |url-status=dead |archive-date=17 September 2011 |title=Easy entry for Visa card holders |date=8 January 2009 |work=The Times of India |access-date=16 September 2010}} The Dwarka Expressway begins and ends at NH-48 DELHI-Jaipur acting as a western bypass to Gurgaon. It begins immediately east of IGI airport at Shiv Murti and terminates in Haryana near Kherki Daula Toll Plaza, south of Gurgaon, near Western Peripheral Expressway (WPE).{{Cite news |last=Behl |first=Abhishek |date=4 June 2016 |url=http://www.hindustantimes.com/gurgaon/nhai-inspects-dwarka-e-way-shiv-murti-to-be-the-zero-point/story-ko4ATlgKPGGwiNxGxUIX4O.html |title=NHAI inspects Dwarka e-way, Shiv Murti to be the zero point |work=Hindustan Times |access-date=21 October 2017|archive-url=https://web.archive.org/web/20160604182843/http://www.hindustantimes.com/gurgaon/nhai-inspects-dwarka-e-way-shiv-murti-to-be-the-zero-point/story-ko4ATlgKPGGwiNxGxUIX4O.html |archive-date=4 June 2016 |url-status=live}}

WPE in turn connects, listed from west to east, IGI to Delhi–Ambala–Amritsar NH 1, Delhi–Amritsar–Katra Expressway, NH9 Delhi-Hisar (Hisar Airport 150 km west of IGI), Delhi–Jaipur NH-48, Gurgaon–Sohna Elevated Expressway, Delhi–Mumbai Expressway, Faridabad–Noida–Ghaziabad Expressway (FNG), Palwal-Jewar Airport Expressway, Eastern Peripheral Expressway (EPE), etc.

Urban Extension Road-II, a 75.7 km-long six-lane expressway, connects the IGI airport to the south, southwest and western suburbs of Delhi as well as to the Delhi-Hisar NH-9.[https://themetrorailguy.com/nhai-delhi-uer-2-expressway-information-route-map-status/ Delhi Urban Extension Road 2 – Information & Status], The Metro Guy, accessed 7 December 2022.

As of 2024, two Inter-State Bus Terminals (ISBT) for long-distance buses are being constructed for the IGI.

• Aerocity Inter State Bus Terminus (Aerocity ISBT), adjacent to the Aerocity Metro Interchange Station near Terminal 1 of IGI, proposed in 2023, with IGI complex.
• Dwarka Dwarka Inter State Bus Terminus (Dwarka ISBT), adjacent and west of "Dwarka Sector 21 metro station", construction started on 27 acres in 2022, will cater to buses from Haryana and Punjab.{{cite news |last1=Roy |first1=Siddhartha |date=21 March 2022 |title=Eye on IGI: Work to start soon at Dwarka for Delhi's fourth ISBT |url=https://timesofindia.indiatimes.com/city/delhi/eye-on-igi-work-to-start-soon-at-dwarka-for-delhis-fourth-isbt/articleshow/90340984.cms |work=The Times of India |access-date=16 December 2023}} It is also close to Bijwasan railway station. It is 11 km west of IGI T3.
• Gurgaon Inter State Bus Terminus, announced in 2023 over 15 acres of Sihi village near Kherki Daula toll plaz where Dwarka Expressway meets Delhi-Jaipur Highway NH48.{{cite news |last1=haris |first1=Mohammad |date=7 June 2023 |title=Real Estate Boost: New ISBT Near Dwarka Expressway To Enhance Connectivity, Push Local Realty |url=https://www.news18.com/business/real-estate-boost-new-isbt-near-dwarka-expressway-to-enhance-connectivity-push-local-realty-8019313.html |work=News18 |access-date=16 December 2023}} Will cater to the buses from Haryana, Punjab, Rajasthan and Uttar Pradesh. It is 28 km south of IGI.

Air conditioned low-floor buses operated by Delhi Transport Corporation (DTC) regularly run between the airport and the city.

Metered taxis are also available from Terminals 1 and 3 to all areas of Delhi.{{cite web|url=http://www.newdelhiairport.in/mobile/delhi-taxi.aspx|archive-url=https://web.archive.org/web/20161130230916/http://www.newdelhiairport.in/mobile/delhi-taxi.aspx|url-status=dead|archive-date=30 November 2016|title=To and From Delhi Airport by Taxi|access-date=16 December 2018}}

Under the National Capital Region Transport Plan, the following international airports are being developed as an alternate to IGI:

• Hisar International Airport, 190 km west of IGI.{{cite news |title=International airport at Hisar, Haryana to give breather to IGI airport in Delhi? See what CM said |url=https://www.zeebiz.com/india/news-international-airport-at-hisar-haryana-to-give-breather-to-igi-airport-in-delhi-see-what-cm-said-113355 |access-date=16 December 2023 |work=Zee Business |agency=IANS |date=29 October 2019}} In April 2023, Haryana Chief Minister Manohar Lal Khattar approved the Hisar International Airport-IGI Airport line (HIAIGI Line) rail link between IGI and Hisar airport via Bijwasan-Gurgaon-Garhi Harsaru-Sultanpur-Farukhnagar-Jhajjar, Rohtak-Hansi-Hisar.{{cite news |title=Haryana CM Khattar greenlights rail link between IGI & Hisar airport |url=https://www.hindustantimes.com/cities/chandigarh-news/haryana-cm-approves-rail-link-between-delhi-s-igi-airport-hisar-s-maharaja-agrasen-airport-via-garhi-harsaru-jhajjar-aiib-sanctions-rs-1-040-crore-loan-101681317256488.html |access-date=16 December 2023 |work=Hindustan Times |date=12 April 2023}}
• Noida International Airport, 100 km southeast.{{cite web|url=http://pib.nic.in/newsite/PrintRelease.aspx?relid=178342|title=New Greenfield Noida International Airport at Jewar picking momentum- Progress Report|publisher=Press Information Bureau|date=3 April 2018| access-date=11 May 2018}}

In 2010, IGIA was conferred the fourth best airport award in the world in the 1.5–2.5 crore (15–25 million) category, and Most Improved Airport in the Indo-Pacific Region by Airports Council International.[https://web.archive.org/web/20120512200746/http://www.aci.aero/cda/aci_common/display/main/aci_content07_c.jsp?zn=aci&cp=1-7-46%5E35015_666_2__ ACI Airport Service Quality Awards 2009, Asia Pacific airports sweep top places in worldwide awards] from the Wayback Machine The airport was rated as the Best Airport in the world in the 2.5–4 crore (25–40 million) passengers category in 2015, by Airports Council International.{{cite news |title=Delhi's IGI is world's 2nd best airport for service quality again-Delhi News, Firstpost |url=https://www.firstpost.com/delhi/delhis-igi-is-worlds-2nd-best-airport-for-service-quality-again-1557317.html |access-date=23 February 2022 |work=Firstpost |date=5 June 2014 |language=en}}{{cite news|url=http://wap.business-standard.com/article/companies/delhi-airport-ranked-first-for-service-quality-115021700253_1.html|title=Delhi Airport Ranked First for Service Quality|work=Business Standard|date=17 February 2015}} It was awarded The Best Airport in Central Asia and Best Airport Staff in Central Asia at the Skytrax World Airport Awards 2015.{{cite news|url=http://economictimes.indiatimes.com/industry/transportation/airlines-/-aviation/delhis-indira-gandhi-international-airport-bags-two-international-awards-in-paris/articleshow/46587892.cms|title=Delhi's Indira Gandhi International Airport bags two international awards in Paris|newspaper=The Economic Times|date=17 March 2015|access-date=17 March 2015}} It also stood first in the new rankings for 2015 Airport Service Quality (ASQ) Awards conducted by Airports Council International.{{cite web|url=http://indiatoday.intoday.in/story/indira-gandhi-international-airport-is-worlds-best-airport-for-second-time-in-row/1/609828.html|title=Indira Gandhi International Airport is world's best airport for second time in a row|website=India Today|date=2 March 2016 |access-date=2 March 2016}}

The airport, along with Mumbai Airport, was adjudged as the "World's Best Airport" at the Airport Service Quality Awards 2017, in the highest category of airports handling more than 4 crore (40 million) passengers annually.{{cite web|url=https://www.financialexpress.com/infrastructure/airlines-aviation/delhis-igi-mumbais-chhatrapati-shivaji-airports-beat-singapore-changi-seoul-incheon-to-become-worlds-best/1089998/|title=Delhi's IGI, Mumbai's Chhatrapati Shivaji airports beat Singapore Changi, Seoul Incheon to become world's best|work=The Financial Express|date=7 March 2018|access-date=2 May 2018|author=Devanjana Nag}} The airport was awarded the "best airport" in Asia-Pacific in 2020 (over 4 crore (40 million) passengers per annum) by the Airports Council International.{{cite web |title=2020 – Best Airport by Size and Region |url=https://aci.aero/customer-experience-asq/asq-awards-and-recognition/asq-awards/current-winner-2020/best-airport-by-size-and-region/ |url-status=dead |archive-url=https://web.archive.org/web/20210301172701/https://aci.aero/customer-experience-asq/asq-awards-and-recognition/asq-awards/current-winner-2020/best-airport-by-size-and-region/ |archive-date=1 March 2021 |access-date=3 March 2021 |website=ACI World}} In 2023, the airport was awarded as the Cleanest Airport in the Asia-Pacific Region and also stood first again in the rankings for 2022 Airport Service Quality (ASQ) Awards in the category of over 4 crore (40 million) passengers per annum, conducted by Airports Council International.{{cite news|title=Delhi airport cleanest in Asia Pacific: Airports Council International|url=https://timesofindia.indiatimes.com/city/delhi/delhi-airport-cleanest-in-asia-pacific-airports-council-international/articleshow/98456311.cms|work=The Times of India|date=6 March 2023|access-date=7 March 2023|language=en}}

The newer domestic arrivals and departures terminals 1C and 1D, respectively, have been connected and expanded into a singular domestic terminal which are now known as simply, Terminal 1, capable of handling up to 40 million annual passengers.

Terminals 4, 5, and 6 will be built at a later stages which will be triggered by growth in passenger traffic. Once completed, all international flights will move to these three new terminals. Terminal 3 will then be solely used for handling domestic air traffic. A new cargo handling building is also planned. According to Delhi International Airport Limited (DIAL), these new terminals will increase the airport's annual passenger volume capacity to 10 crore (100 million).{{cite news|url=http://www.thehindu.com/news/cities/Delhi/New-terminal-to-take-off-at-Delhi-airport/article16265555.ece|title=New terminal to take off at Delhi airport|date=23 June 2010|access-date=20 January 2017|newspaper=The Hindu|author=Urvashi Sarkar}}

DIAL submitted a plan in 2016 to the then aviation secretary R N Choubey regarding the expansion of the airport with a new fourth runway and Terminal 4 in a phased manner. The Master Plan of Airport in 2016 was then reviewed and updated by DIAL in consultation with the Airports Authority of India.{{cite web|url=http://pib.nic.in/newsite/PrintRelease.aspx?relid=159263|title=Master Plan for Expansion of IGI Airport|publisher=Press Information Bureau|access-date=29 May 2017|date=15 March 2017}} According to the plan, the terminal construction should have started after the fourth runway was completed and Terminal 1 was expanded. However, the conversion and expansion of Terminal 2 into a fully-international terminal has been put on halt and postponed.{{Cite news |date=15 April 2024 |title=Delhi Airport's plan to convert Terminal 2 to international terminal delayed to early next year |url=https://economictimes.indiatimes.com/industry/transportation/airlines-/-aviation/delhi-airports-plan-to-convert-terminal-2-to-international-terminal-delayed-to-early-next-year/articleshow/109302655.cms?from=mdr |access-date=2 October 2024 |work=The Economic Times |issn=0013-0389}}

• 1970: The pilot of a Royal Nepal Airlines Fokker F27-200 (9N-AAR) lost control due to severe thunderstorms and downdrafts, crashing just short of the runway. The plane was landing after a flight from Kathmandu, Nepal. Of the five crew and 18 passengers, one crew member was killed.{{cite web|date=25 January 1970|title=Accident description|url=http://aviation-safety.net/database/record.php?id=19700125-1|access-date=5 May 2014|website=aviation-safety.net|publisher=Aviation Safety Network}}
• 1972: Japan Air Lines Flight 471 crashed outside of Palam Airport, killing 82 of 87 occupants; ten of eleven crew members and 72 of 76 passengers died, and three people on the ground.[http://aviation-safety.net/database/record.php?id=19720614-1 14 June 1972 Douglas DC-8-53], Japan Air Lines–Aviation Safety Network. Retrieved 23 March 2009.
• 1973: Indian Airlines Flight 440 crashed while on approach to Palam Airport, killing 48 of the 65 passengers and crew on board.{{cite web|url=http://aviation-safety.net/database/record.php?id=19730531-0|title=ASN Aircraft accident Boeing 737-2A8 VT-EAM Delhi-Indira Gandhi International Airport (DEL )|website=Aviation Safety Network |publisher=Flight Safety Foundation |access-date=31 May 2016}}"[https://news.google.com/newspapers?id=_pszAAAAIBAJ&sjid=zTIHAAAAIBAJ&pg=5529,2776816&dq=new+delhi+indian+airlines+crash&hl=en Airline crash in New Delhi]." United Press International (UPI) at Lodi News-Sentinel. Friday 1 June 1973. p. 8 (Google News p. 5/16). Retrieved 28 October 2014.
• On 29 August 1978, Air India Flight 123, a Boeing 747-237B (registered VT-EBO), flying from Delhi to Frankfurt carrying 377 passengers and crew, aborted take-off at 150 knots due to No. 3 engine failure. While the crew hit the brakes and deployed thrust reversers, the plane veered off the runway and entered soft ground resulting in left-hand wing landing gear collapse and substantial damage, as No.3 and 4 reversers were not effective. The No. 3 engine failed due to ingestion of tire pieces. The plane sustained substantial damaged but was repaired and put back to service.{{Cite web|url=https://asn.flightsafety.org/wikibase/328799|title=Accident Boeing 747-237B VT-EBO, Tuesday 29 August 1978|first=Harro|last=Ranter|website=asn.flightsafety.org}}
• 1988: An Air France Boeing 747 on 24 July 1988 at 0124hrs flying as flight AF187 from Delhi to Paris Charles de Gaulle carrying 275 people (260 passengers and 15 crew) suffered an accident during take-off at Indira Gandhi International Airport. The copilot was pilot flying. During takeoff the aircraft attained V1 speed (156 kts). 2.5 seconds later the No. 4 engine fire warning came on. The copilot rejected the takeoff at a speed of 172 kts, which was past the safe limit for the aircraft which was at the threshold of its maximum take off weight. The aircraft overran the runway, causing the main gear to collapse and damage to the nose section and undercarriage as the aircraft veered left at the end of the runway as it slid and struck lighting and radar equipment. There was no fire in No. 4 engine it was found. There were no fatalities and one minor injury as passengers evacuated the aircraft on slides. The aircraft was repaired over a period of 6 months on site at Delhi and put back in service.{{cite web|url=https://aviation-safety.net/database/record.php?id=19880724-0 | title=Accident Boeing 747-228B (SCD) N4506H }}
• 1990: An Air India Boeing 747 flying on the London-Delhi-Mumbai route and carrying 215 people (195 passengers and 20 crew) touched down at Indira Gandhi International Airport after a flight from London Heathrow Airport. On application of reverse thrust, a failure of the no. 1 engine pylon to wing attachment caused this engine to tilt nose down. Hot exhaust gases caused a fire on the left-wing. There were no casualties but the aircraft was damaged beyond repair and written off.{{cite web|url=http://aviation-safety.net/database/record.php?id=19900507-0|title=Aviation Safety |publisher=Aviation Safety|access-date=5 May 2014}}
• 1993: An Uzbekistan Airlines Tupolev Tu-154 that had been leased by Indian Airlines due to an ongoing pilot strike flipped over and caught fire while landing in bad weather. There were no fatalities, but the aircraft was destroyed by a post-crash fire.{{cite web|title=Crash of a Tupolev TU-154B-2 in New Delhi {{!}} Bureau of Aircraft Accidents Archives|url=https://www.baaa-acro.com/crash/crash-tupolev-tu-154b-2-new-delhi|access-date=11 June 2021|website=Baaa-acro.com}}
• 1994: A Sahara Airlines Boeing 737-2R4C (registered VT-SIA) crashed while performing a training flight killing all four people on board and one person on the ground.{{cite web|last=Ranter|first=Harro|title=ASN Aircraft accident Boeing 737-2R4C VT-SIA Delhi-Indira Gandhi International Airport (DEL)|url=https://aviation-safety.net/database/record.php?id=19940308-0|access-date=10 June 2020|website=aviation-safety.net}} Wreckage struck an Aeroflot Ilyushin-86 (registered RA-86119) parked nearby, killing four people inside.{{cite web|last=Ranter|first=Harro|title=ASN Aircraft accident Ilyushin Il-86 RA-86119 Delhi-Indira Gandhi International Airport (DEL)|url=https://aviation-safety.net/database/record.php?id=19940308-2|access-date=10 June 2020|website=aviation-safety.net}}
• 1995: Indian Airlines Flight 492 (IC 492), a Boeing 737-2A8 (Registered VT-ECS), was damaged beyond repair when the aircraft overshot the runway at Delhi Airport due to pilot error, on its scheduled flight from Jaipur to Delhi.{{cite web|url=http://www.newindianexpress.com/nation/article273231.ece|archive-url=https://web.archive.org/web/20160428015426/http://www.newindianexpress.com/nation/article273231.ece|url-status=dead|archive-date=28 April 2016|title=Major air crashes in India in two decades|work=The New Indian Express|access-date=1 December 2016}}
• On 23 May 1996, during the initial climb, passengers on board a British Airways Boeing 747-200B heard muffled bang, accompanied by a jolt. The flight was continued without further incident, but upon landing at London Heathrow Airport, inspection of the aircraft found that a panel above the left hand over-wing slide position had broken up from its leading edge, with about 30% of the panel was missing.{{cite web|url= https://asn.flightsafety.org/wikibase/498388|title= British Airways Boeing 747-236B (G-BDXA) at DEL}}
• On 12 November 1996, the airport was involved in the Charkhi Dadri mid-air collision when a Saudia Boeing 747-100B, climbing out after take-off, collided with an incoming Kazakhstan Airlines Ilyushin Il-76 chartered by a fashion company, causing the deaths of all 349 people on board the two planes.{{cite news|title=One Jet in Crash Over India Ruled Off Course|last=Burns|first=John F.|date=5 May 1997|newspaper=The New York Times|access-date=24 May 2010|url=https://www.nytimes.com/1997/05/05/world/one-jet-in-crash-over-india-ruled-off-course.html}}
• On 24 December 1999, Indian Airlines Flight 814 bound for Delhi was hijacked by Pakistan based terrorist outfit Jaish-e-Mohammed. The plane was taken to Pakistan, Afghanistan and the UAE. After the turn of the millennium, the plane was allowed to go back to Delhi. One passenger was killed.
• On 17 December 2009, Air India One, a Boeing 747-400 (registered as VT-EVA), operating as an executive flight for Prime Minister Manmohan Singh from Delhi to Copenhagen, was hit by an by a food delivery trolley shortly before it was scheduled for takeoff. The Prime Minister took off on a substitute Boeing 747-400 aircraft after a delay of three hours.{{Cite web|url=https://asn.flightsafety.org/wikibase/70512|title=Incident Boeing 747-437 VT-EVA, Thursday 17 December 2009|first=Harro|last=Ranter|website=asn.flightsafety.org}}
• On 10 November 2016, Air India Flights 142 from Paris and 154 from Vienna, both Boeing 787-8 Dreamliners heading to Delhi, were nearly involved in a midair collision 12 nautical miles away from the airport, due to conflicting instructions from TCAS and ATC. The incident prompted a DGCA and AAIB investigation, which concluded that the breach of separation between the two aircraft occurred due to incorrect label management, wrong separation technique for sequencing of arrival aircraft and inadequate surveillance.{{Cite web|url=https://asn.flightsafety.org/wikibase/191324|title=Serious incident Boeing 787-8 Dreamliner VT-AND , Thursday 10 November 2016|first=Harro|last=Ranter|website=asn.flightsafety.org}}
• 28 June 2024: A portion of the roof of Terminal 1 collapsed on parked vehicles amid heavy rains in the early morning. One person was killed and eight were injured.{{Cite news |title=One dead as roof collapse smashes cars at Delhi airport |url=https://www.bbc.com/news/articles/c725ny6p960o |work=BBC |date=28 June 2024 |access-date=28 June 2024}}

• Transport in India
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• List of busiest airports in India
• Aviation in India

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• {{cite book |last1=Jefford |first1= C.G. |title= RAF Squadrons. A comprehensive record of the movement and equipment of all RAF squadrons and their antecedents since 1912 |year=1988 |publisher= Airlife |location= Shrewsbury |isbn= 1-85310-053-6 }}
• {{cite book |last1=Lake |first1=A |title= Flying units of the RAF |year=1999 |publisher= Airlife |location= Shrewsbury |isbn= 1-84037-086-6 }}

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