Busiest city pairs

The following are lists of the world's busiest passenger air routes, based on number of passengers, seat capacity, or aircraft movements.

London to New York City is the world’s busiest long-haul route, with over 30 daily flights in each direction for 4.2 million passengers in 2015 between four airports in London (Gatwick, Heathrow, Luton and London City) and two serving New York (JFK and Newark), with competition between British Airways/American Airlines, Virgin Atlantic/Delta Air Lines, United Airlines, Norwegian Air Shuttle, Air India and Kuwait Airways

The world's ten busiest air routes by origin-and-destination passenger volume:

The world's five busiest international air routes by origin-and-destination passenger volume:

(in millions)

* Figures are only available for EU countries, United Kingdom, Switzerland, Iceland and Norway. Among other European countries, based on airport statistics, no other country than Russia, Ukraine and Turkey can have domestic routes with more than 1 million passengers.

Based on aircraft movements statistics, Istanbul/Atatürk - Izmir/Adnan Menderes is in 2012 possibly busier than Barcelona/El Prat - Madrid/Barajas route and Istanbul/Atatürk - Antalya route is busier than Toulouse/Blagnac - Paris/Orly route.

The St-Petersburg Pulkovo Airport - Moscow (three airports) route was used by 2,965,331 passengers in 2013.

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