US Airline Routes, Traffic and Fleets, from Government Data
Every US airline route, airport and fleet in one place. Free for the latest 12 months, with every number traced to the US Department of Transportation source.
Top 10 US Airlines by Passengers
Operating airline as reported to DOT, latest 12 months (Aug 2025 – Jul 2026), scheduled passenger service. Regional airlines appear under their own names.
| # | Airline | Flights | Seats | Passengers | Load Factor | Share of Passengers |
|---|---|---|---|---|---|---|
| 1 | Southwest Airlines Co. WN | 1,413,183 | 227,517,831 | 170,068,533 | 74.7% | 17.5% |
| 2 | American Airlines Inc. AA | 1,185,383 | 205,859,787 | 168,092,880 | 81.7% | 17.3% |
| 3 | Delta Air Lines Inc. DL | 1,168,630 | 199,277,365 | 166,165,833 | 83.4% | 17.1% |
| 4 | United Air Lines Inc. UA | 1,039,225 | 184,501,264 | 150,782,475 | 81.7% | 15.5% |
| 5 | SkyWest Airlines Inc. OO | 878,500 | 59,143,829 | 45,527,503 | 77.0% | 4.7% |
| 6 | Alaska Airlines Inc. AS | 318,626 | 54,110,343 | 43,003,107 | 79.5% | 4.4% |
| 7 | JetBlue Airways B6 | 310,610 | 49,598,310 | 40,111,436 | 80.9% | 4.1% |
| 8 | Frontier Airlines Inc. F9 | 215,829 | 45,463,106 | 35,498,881 | 78.1% | 3.6% |
| 9 | Republic Airline YX | 376,634 | 28,232,104 | 21,765,610 | 77.1% | 2.2% |
| 10 | Envoy Air MQ | 343,679 | 25,166,286 | 19,711,869 | 78.3% | 2.0% |
Explore the Data
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Route Map
Every US airline route on one map. Filter by airline, aircraft, airport or route and see flights, seats, passengers, fares and connections.
Open the Map →Trends
Nineteen metrics month by month, from departures and load factor to block hours, split by airline, aircraft, route or carrier group.
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Fleets by aircraft type, age and ownership, utilization, and airline profiles with reliability, partners, overnight stations and aircraft history.
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