List of busiest passenger air routes
Rank Airport 1 Airport 2 Seat kilometers ( in billions ) Airlines serving
1 London-Heathrow New York-JFK 10.92 American Airlines , British Airways , Delta Air Lines , Virgin Atlantic
2 London-Heathrow Dubai-International 9.37 British Airways , Emirates
3 London-Heathrow Hong Kong 8.75 British Airways , Cathay Pacific , Virgin Atlantic
4 London-Heathrow Los Angeles 8.53 American Airlines , British Airways , United Airlines , Virgin Atlantic
5 London-Heathrow Singapore 8.21 British Airways , Qantas , Singapore Airlines
6 Los Angeles New York-JFK 8.12 Alaska Airlines , American Airlines , Delta Air Lines , JetBlue
7 Los Angeles Sydney 7.68 American Airlines , Delta Air Lines , Qantas , United Airlines , Virgin Australia
8 Sydney Dubai-International 6.65 Emirates , Qantas
9 Taipei-Taoyuan Los Angeles 6.44 China Airlines , EVA Air
10 Los Angeles Seoul-Incheon 6.43 Asiana Airlines , Korean Air
By seat capacity
The following lists the world 's top 10 busiest routes based on total number of seats per year flown in each direction . [ 11 ] [ 12 ] Rank Airport 1 Airport 2 Seats ( in millions ) Airlines serving Dec. 2016 Aug. 2015 1 Seoul–Gimpo Jeju 6.561 6.8 Air Busan , Asiana Airlines , T'way Airlines , Eastar Jet , Jeju Air , Jin Air , Korean Air 2 Tokyo–Haneda Sapporo–New Chitose 6.209 6.2 Japan Airlines , All Nippon Airways , Air Do , Skymark Airlines 3 Tokyo–Haneda Fukuoka 5.961 5.8 All Nippon Airways , Japan Airlines , Skymark Airlines 4 Sydney Melbourne 5.067 5.0 Jetstar Airways , Qantas , Tigerair Australia , Virgin Australia 5 Hong Kong Taipei–Taoyuan 4.146 4.2 Cathay Pacific , Cathay Dragon , China Airlines , EVA Air , Hong Kong Airlines 6 Delhi Mumbai 4.143 3.9 Air India , Air India Regional , GoAir , IndiGo , Jet Airways , SpiceJet , Vistara 7 Ho Chi Minh City Hanoi 4.141 Vietnam Airlines , Jetstar Pacific , Vietjet Air , Bamboo Airways 8 Beijing–Capital Shanghai–Hongqiao 3.962 3.8 Air China , China Eastern , China Southern , Hainan Airlines , Shanghai Airlines , Juneyao Airlines , Xiamen Airlines 9 Surabaya Jakarta Soekarno–Hatta 3.850 Batik Air , Citilink , Garuda Indonesia , Indonesia AirAsia , Lion Air , Sriwijaya Air 10 Tokyo–Haneda Okinawa 3.785 3.8 All Nippon Airways , Japan Airlines The following lists the world 's top 10 busiest routes based on total number of seat kilometers per year flown as of 2015 [ update ] . [ 11 ]
These are lists of the busiest air routes by the number of passengers flown, by seat capacity and by aircraft movements.