Dubai International Airport (DXB) has solidified its status as the world’s premier gateway for international travel, maintaining its top ranking for the third consecutive year according to aviation analytics firm OAG. The hub recorded 62.4 million seats in 2025, representing a remarkable 16% growth since 2019 and a 4% year-on-year increase in capacity.
While Atlanta’s Hartsfield-Jackson International Airport (ATL) claimed the overall busiest airport title with 63.1 million seats combining both domestic and international traffic, Dubai’s exclusive focus on international passengers secured its specialized dominance. The airport even outperformed Atlanta during several months of 2025, with CEO Paul Griffiths projecting DXB will surpass 95.3 million passengers by year’s end and break the 100 million threshold by 2027.
London Heathrow (LHR) trailed significantly in second place with 49.0 million international seats, while Seoul Incheon (ICN) captured third position at 43.0 million seats, signaling a full recovery to pre-pandemic levels. Singapore Changi (SIN) followed closely in fourth with 42.6 million seats.
The report revealed notable growth patterns across global hubs. Hong Kong International (HKG) demonstrated the most dramatic year-on-year surge at 12%, reaching 38.7 million seats, though still 14% below 2019 capacity. Istanbul Airport emerged as the fastest-growing major hub with a 27% increase since 2019, handling 41.2 million international seats and establishing itself as a rapidly expanding global nexus.
Regional analysis shows North American and Asian airports dominating the overall busiest rankings due to substantial domestic markets, while European and Middle Eastern hubs maintain strong international specialization. Frankfurt Airport (36.4 million seats) and Doha’s Hamad International (32.7 million seats) rounded out the top ten, with the Qatari hub showing a significant 20% capacity increase compared to 2019 levels.