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 - June 2021

The world's busiest airport this month is Atlanta (ATL). Benefitting from the recovery taking place in the US domestic market, Atlanta has nudged ahead of Guangzhou (CAN) which was in first spot last month but has dropped back to 2nd place. There are another two US airports in the Top 10 this month, Dallas (DFW), in 4th place, up from 16th in May 2019 and Denver (DEN) in 6th place.

Six of the Top 10 airports remain in China. Only one of these, Beijing (PEK) was in the Top 10 in April 2019. The last one, Delhi (DEL), is in India and has rise from 22nd place last year to 8th place this year. There are no European airports in the Top 10, partly as domestic markets are much smaller in Europe than in other parts of the world.

Busiest International Airport in the World - June 2021

This month, the world's busiest international airport is Dubai (DXB), up from 2nd place in May 2019. This is despite many of the Middle East's transit hub's source markets being closed to international travellers. Another Middle East hub, Doha (DOH), which is home to Qatar Airways, is 3rd largest this month, up from 12th place in May 2019.

May 2019's busiest airport, London Heathrow (LHR), is down in 7th place this month.

Six of the airports in the Top 10 this month were in the Top 10 in May 2019.

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.

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.