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World’s Busiest Airports 2021

OAG’s ever-popular World’s Busiest International and Domestic Routes and World’s Busiest Airports have been published with October’s data, powered by Schedules Analyzer.

The Busiest International Airport (international frequency only) is Dubai (DXB), taking over from Amsterdam (AMS) to secure pole position. Half of the Top 10 Busiest Global Airports (domestic and international frequency) are located in the US, with Atlanta (ATL) remaining in the first place.

Top 10 Busiest Global Airports by Seats 

Calculated using total frequency (domestic and international)

  1. Atlanta Hartsfield-Jackson
  2. Chicago O’Hare
  3. Dallas / Fort Worth
  4. Guangzhou
  5. Denver
  6. Los Angeles
  7. Beijing Capital
  8. Istanbul
  9. Shenzhen
  10. Delhi

Check how much parking costs in US airports.

Seats

The rankings are based on scheduled capacity in the current month, and compared to the equivalent month in 2019, pre-pandemic. The Top 10 Busiest Airports in the World are calculated using total capacity (domestic and international) and The Top 10 Busiest International Airports are calculated using international seats only.

Flights

The rankings are based on scheduled frequency in the current month, and compared to the equivalent month in 2019, pre pandemic. The Top 10 Busiest Airports in the World are calculated using total frequency (domestic and international) and The Top 10 Busiest International Airports are calculated using international frequency only.

Iuliia Tore