Indira Gandhi International Airport is the busiest airport in India and the main hub for both IndiGo and Air India — the country's two largest carriers — making it the pivot of the fastest-growing major aviation market in the world. The current schedule feed lists 169 airports in 58 countries connected to New Delhi.
Passengers entering Terminal 3 pass a wall of large brass mudras, the hand gestures of Indian classical dance and meditation.
Indira Gandhi International Airport is the 11th busiest airport in the world — it handled 78,148,081 passengers in 2025, according to ACI World's annual ranking.
The most frequently served routes for Indira Gandhi International Airport connect to Mumbai (BOM), Bangalore (BLR) and Hyderabad (HYD).
The longest connected route for Indira Gandhi International Airport reaches San Francisco (SFO). This non-stop flight covers a distance of 7,693 miles (12,381 km).