US Aviation Market Data Insights
LATEST FLIGHT DATA INSIGHTS AND ANALYSIS FROM AMERICA
DISCOVER THE BUSIEST AIRPORTS, AIRLINES AND FLIGHT ROUTES IN THE USA THIS MONTH | FEBRUARY 2025
Find below flight data and analysis focused on the US aviation market, with data powered by OAG's Schedules Analyser. The data is updated monthly. Seats are calculated as departing seats (one-way).
TOP 10 BUSIEST US AIRLINES BY SEATS
- The Top 10 carriers by seats remains unchanged from last month.
- American Airlines remains the biggest carrier in the US this month with 21% of the market, 18.5m seats.
- Southwest and Delta Air Lines remain a close second and third largest, with 18% share each.
- Spirit Airline's capacity has decreased by 19.3% vs February 2024, a reduction of 760,500 seats. This reduces slightly, to -16.4% when the 2024 leap year is accounted for.
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TOP 10 AIRLINES BY SEATS ADDED THIS MONTH VS THE SAME MONTH LAST YEAR
- Whilst United Airlines and Delta Air Lines added over 300,000 seats vs February 2024 (equivalent to an additional 29,500 seats per day), American and Southwest Airlines reduced capacity and have taken out more than 500,000 seats. Comparing on an adjusted basis, for both carriers this is a daily reduction of around 4,000 seats.
- Spirit Airlines reduced capacity most, taking out 760,500 seats vs last year. Allowing for the leap year, this equates to 22,300 fewer per day.
- JetBlue Airways also reduced capacity by 220,600 seats, equivalent to 3,900 less per day.
TOP 10 BUSIEST AIRLINE ROUTES IN THE US BY SEATS
- The busiest route was Las Vegas - Los Angeles with 265,500 seats, with a 5.5% (9.3% adjusted) increase in capacity vs last year.
- Capacity continue to grow fastest on the Los Angeles - San Francisco route, increasing by 24.2% (28.7% adjusted) vs February 2024.
- Capacity reduced again this month, on the Atlanta - Fort Lauderdale route, with 51,110 fewer seats - a reduction of 19.6% (-16.7% when the leap year is taken into account).
- Capacity on the Denver to Las Vegas route also reduced again this month, by 12.6% (-9.4% adjusted) vs February 2024.
TOP 10 BUSIEST AIRPORTS IN THE US
Top 10 Airports in the US by departing seats (one-way) this month.
- There are 655 airports with scheduled services operating this month. The Top 10 airports remains unchanged from last month and account for 36% of capacity.
- Atlanta remains the biggest airport in capacity terms, with 4.6m seats. Allowing for the leap year, capacity at ATL grew 5.5% year on year.
- Growth was slower at the other biggest airports, ranging from 3.9% at ORD to -2.5% at MCO.
US STATES ADDING & REMOVING MOST CAPACITY THIS MONTH VS THE SAME MONTH LAST YEAR
- Overall capacity in February in 2025 reduced by 876,400 seats vs last year. If we adjust for the leap year in 2024, seats are up per day by 78,378.
- The states of Georgia and Massachusetts continued to add seats again this month, increasing capacity by 2.1% and 4.8% seats vs February 2024. When we adjust for the leap year, this equates to an increase of 5.8% and 8.6% respectively.
- Capacity in the State of Florida reduced again this month with a 4% reduction, 450,800 fewer seats than in February 2024.
- Capacity also reduced in the state of Texas by 244,500 seats vs last year.
Domestic & International US FLIGHT SEATS BY MONTH / YEAR
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