List of busiest passenger air routes
These are lists of the busiest air routes by the number of passengers flown, by seat capacity and by aircraft movements. By number of passengers. World (2018). The top 50 busiest air routes The world's twelve busiest air routes by origin-and-destination passenger volume 2011-2015. "* (All airports)" 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. The following lists the world's top 10 busiest routes based on total number of seat kilometers per year  flown . By aircraft movements. The following is a list of the world's busiest air routes based on the number of scheduled flights in both directions. Note that these statistics do not consider the number of passengers carried. Regional statistics. Europe. Busiest air routes inside the EU, United Kingdom, Switzerland, Iceland and Norway *. The St-Petersburg Pulkovo Airport - Moscow (three airports) route was used by 2,965,331 passengers in 2013. Busiest air routes between an airport in Europe (EU, UK, Switzerland, Iceland and Norway) and outside Europe. For routes from EU, UK, Switzerland, Iceland and Norway to other countries inside Europe  except to Turkey, the busiest was in 2019 Paris/de Gaulle–Moscow/Sheremetyevo with 830,980 India (2017-18). Busiest domestic air routes in India: Turkey (2019). The Istanbul Airport (Havalimani) was opened in 6 April 2019 and some passengers used the old Istanbul Atatürk Airport during this year. Atatürk–Izmir had 728,279 passengers in 2019. United States (September 2014 - August 2015). The statistics below are based on metro areas, not individual airports.