Discover how Southwest performed in 2025 with key metrics such as capacity, frequency, ASKs and busiest routes.
Main Hub: Dallas Love Field (DAL)
Country / Territory: United States of America
Alliance: N/a
Southwest: 2025 IN STATS
CAPACITY
229,226,034
⬇0.9% YoY
FREQUENCY
1,423,470
⬇ 2.0% YoY
ASKS
290,778,538,200
⬆ 1.4% YoY
ROUTES
2,074
⬆ 2.0% YoY
Key Takeaways
Southwest is making changes to its offering in an attempt to increase revenue. The most significant one, from January 2026, is the roll out of assigned seating.
Southwest remains the third largest airline in the world despite a decline in capacity of 0.9% in 2025.
The airline has differing shares of market capacity across its five largest bases, ranging from dominance at Chicago Midway (90.5%) through to Denver where the airline has 30% of the airport’s capacity and competes head-to-head with United Airlines.
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.png?width=200&height=200&name=china-eastern%20(1).png "China Eastern")
