Discover how Delta Air Lines performed in 2025 with key metrics such as capacity, frequency, ASKs, and busiest routes.
Main Hub: Atlanta Hartsfield-Jackson (ATL)
Country / Territory: United States of America
Alliance: SkyTeam
Delta Air Lines: 2025 IN STATS
CAPACITY
246,928,090
⬆ 2.9% YoY
FREQUENCY
1,801,128
⬆ 5.1% YoY
ASKS
483,684,943,555
⬆ 3.4% YoY
ROUTES
2,244
⬆ 5.8% YoY
Key Takeaways
Delta Air Lines ranks as the second-largest carrier globally in terms of seats on offer, and frequency of service.
In 2025, Delta's domestic capacity grew at 3.0% ahead of its international capacity growth of 2.3%.
Mexico remains the largest international destination for the airline accounting for over 2.5 million seats per annum followed by the Netherlands with 1.6 million, where they collaborate with KLM through a joint venture as part of their SkyTeam alliance.
The airline's largest hub is Atlanta, with the airline accounting for 49 million seats, which is a 78% capacity share at the world's largest airport.
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