What Makes an Airport the Busiest
The busiest passenger airports are ranked by total passenger traffic, measured as enplanements and deplanements. High capacity, major airline hubs, and strong connecting traffic usually drive the top positions.
Top Busiest Passenger Airports
Hartsfield-Jackson Atlanta International Airport often leads global rankings with more than 100 million passengers annually. Dubai International Airport and London Heathrow Airport also rank among the world's busiest hubs, handling tens of millions of travelers each year. For the latest official figures, see the Airports Council International report on global airport traffic.
Why These Airports Handle So Many Passengers
These airports serve as major hubs for both domestic and international flights. Large fleets, frequent schedules, and efficient connections help them process high volumes of passengers quickly.
