Airlines at Austin Bergstrom International Airport (AUS)
Austin, Texas KAUS #29 US airport by passengers
Airlines operating at AUS, ranked by number of departures.
On-time performance at AUS
Based on 23,887 departures from May 2026 to July 2026. A flight counts as late when it leaves 15 or more minutes after schedule.
31.5%Departures late
29.2%Arrivals late
1.00%Cancelled
22.7 minAverage departure delay
| Airline | Departures | Late |
|---|---|---|
| Southwest Airlines | 10,387 | 43.3% |
| Delta Air Lines | 3,550 | 20.8% |
| American Airlines | 2,933 | 24.7% |
| United Airlines | 2,727 | 19.7% |
| SkyWest Airlines | 2,474 | 20.8% |
| Alaska Airlines | 460 | 22.0% |
| Frontier Airlines | 386 | 30.6% |
| Envoy Air | 342 | 24.6% |
| JetBlue Airways | 336 | 29.5% |
| Allegiant Air | 247 | 41.3% |
Source: Bureau of Transportation Statistics, On-Time Performance of reporting carriers. Smaller regional carriers and some airlines are not included.
Airline presence
Southwest, United, American, Delta, Alaska, Allegiant and Frontier serve Austin. Southwest, Delta, United, American and Alaska signed the airport's 2026 use and lease agreements. Allegiant and Frontier moved to the main terminal on April 1, 2026.