Indira Gandhi International Airport (IGI) is located 16 km southwest of Delhi centre. IGI serves as major gateway for domestic and international flights. Airport has multiple terminals: T1 for domestic, T2 for some domestic, T3 for all flights
Most of Alaska is uninhabited and largely undeveloped. Every town in Alaska has an airport. Alaska has most airports per capita in the country
FAA uses half-year passenger boarding data for Airport Improvement Program. Large hubs account for at least 1% of total US passenger enplanements. Medium hubs comprise 0.25% to 1% of total passenger enplanements
World's most populous metropolitan area with 38.1 million inhabitants. Covers 13,500 km² area, second-largest urban function landmass globally. Includes Tokyo Metropolis and six prefectures in Kantō region
CAAP regulates 88 national government airports. International airports handle flights with border control facilities. Principal airports serve domestic destinations. Community airports primarily serve general aviation
Hartsfield-Jackson Atlanta International Airport holds world's busiest status since 1998. London leads world's busiest city airport system. United States leads top 50 with 16 airports, including five top 10