What is the Busiest Airport in the World?

View and interrogate the World's Busiest Airports, with data powered by OAG's Schedules Analyzer.

The Top 10 Busiest Airports in the World are calculated using total airline capacity (domestic and international flights) and The Top 10 Busiest International Airports are calculated using international airline capacity.  The data is updated each month. 

Busiest Airport in the World - September 2021

This month, half of the Top 10 Global Airports (by seat capacity) are located in the US. Atlanta (ATL) remains in first place, and Chicago O’Hare (ORD) moves into second place. The largest Chinese airport this month is Guangzhou, in 5th place. Beijing, which was in first place in September 2019, is currently in 7th place.

Again this month, just 4 of the airports in the Top 10 this month were in the Top 10 in September 2019.

Busiest International Airport in the World - September 2021

Amsterdam Schiphol (AMS) retains its place as the World’s Busiest International Airport for a second month. The gap between Amsterdam Schiphol (AMS) and Dubai (DXB) is now just 105,000 seats, down from 200,000 seats last month as the Middle East hub begins to see recovery.

 

There are still 8 European* airports in the Top 10 International Airports although the composition of these has changed slightly with Palma (PMI) being replaced by Vienna (VIE) this month. Much of the traffic operating to and from these European airports is within Europe.

Methodology:

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.

*Turkey is included in this definition

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.