Tata SIA Airlines Limited, operating as Vistara, is an Indian full-service airline, based in Gurgaon (Gurugram), with its hub at Indira Gandhi International Airport. The carrier, a joint venture between Tata Sons and Singapore Airlines, commenced operations on 9 January 2015 with its inaugural flight between Delhi and Mumbai. The airline had carried more than two million passengers by June 2016 and as of April 2023, has an 8.7% share of the domestic carrier market, making it the 2nd largest domestic airline, behind IndiGo. The airline serves 50 destinations with a fleet of Airbus A320neo, Airbus A321neo and Boeing 787-9 aircraft.

Indira Gandhi International Airport is the primary international airport serving Delhi, the capital of India, and the National Capital Region (NCR). The airport, spread over an area of 5,106 acres (2,066 ha), is situated in Palam, Delhi, 15 km (9.3 mi) southwest of the New Delhi Railway Station and 16 km (9.9 mi) from New Delhi city centre.