Airports › Austin (AUS) › May 2025
Airport month · May 2025
Austin - Bergstrom International in May 2025
BTS: A flight is counted as on time if it arrived less than 15 minutes after its scheduled time. Only carriers with at least 0.5 percent of domestic scheduled passenger revenue report.
In May 2025, reporting carriers scheduled 7,634 domestic departures from Austin - Bergstrom International (AUS). 68.6% left less than 15 minutes late and 71.4% reached their destination on time; 1.1% were cancelled.
Nationally that month, 76.7% of flights departed on time and 75.4% arrived on time, so AUS departures were 8.1 points below the national departure figure.
A year earlier, in May 2024, the airport had 7,852 departures with 64.2% leaving on time: a change of +4.4 points, with flights down 3%.
Flights arriving at AUS that month were on time 70.0% of the time (7,636 scheduled arrivals).
Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 39%, air carrier 28% and national aviation system 21%.
- On time 71.4%
- Arrived 15+ minutes late 27.2%
- Cancelled 1.1%
- Diverted 0.3%
May 2025 against a year earlier, the airport's year and the nation
| Measure | May 2025 | May 2024 | AUS, 12 months to Jul 2026 | All reported flights, May 2025 |
|---|---|---|---|---|
| Departed on time | 68.6% | 64.2% | 74.2% | 76.7% |
| Arrived on time | 71.4% | 64.3% | 75.5% | 75.4% |
| Cancelled | 1.1% | 1.5% | 1.2% | 1.0% |
| Average departure delay (late minutes only) | 23.3 min | 31.7 min | 18.4 min | 17.5 min |
| Scheduled departures a day | 255 | 262 | 245 | 20,188 |
| Scheduled departures | 7,634 | 7,852 | 89,507 | 605,648 |
Airlines that month
| Reporting carrier | Flights | Share | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| WN Southwest Airlines | 3,300 | 43% | 72.5% | 10.6 min | 0.9% |
| DL Delta Air Lines | 1,069 | 14% | 72.8% | 14.2 min | 0.3% |
| AA American Airlines | 1,026 | 13% | 71.4% | 20.3 min | 2.2% |
| UA United Airlines | 913 | 12% | 71.3% | 20.2 min | 1.4% |
| OO SkyWest Airlines | 658 | 9% | 71.0% | 19.8 min | 0.8% |
| AS Alaska Airlines | 219 | 3% | 68.5% | 13.0 min | 0.9% |
| F9 Frontier Airlines | 141 | 2% | 67.4% | 22.3 min | 1.4% |
| NK Spirit Airlines | 117 | 2% | 55.6% | 36.0 min | 1.7% |
| MQ Envoy Air | 92 | 1% | 72.8% | 9.4 min | 5.4% |
| G4 Allegiant Air | 66 | 1% | 60.6% | 32.1 min | 0.0% |
| B6 JetBlue Airways | 31 | 0% | 45.2% | 36.0 min | 0.0% |
| YX Republic Airline | 2 | 0% | 100.0% | -17.0 min | 0.0% |
Busiest routes that month
| Route | Cities | Flights | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| AUS–DEN | Austin to Denver | 431 | 66.4% | 19.0 min | 0.7% |
| AUS–DFW | Austin to Dallas/Fort Worth | 428 | 64.7% | 33.9 min | 5.6% |
| AUS–ATL | Austin to Atlanta | 397 | 73.6% | 9.7 min | 0.3% |
| AUS–LAX | Austin to Los Angeles | 352 | 72.7% | 13.4 min | 0.9% |
| AUS–PHX | Austin to Phoenix | 308 | 72.1% | 11.2 min | 1.9% |
| AUS–ORD | Austin to Chicago | 277 | 75.8% | 8.5 min | 0.7% |
| AUS–BNA | Austin to Nashville | 275 | 74.2% | 10.9 min | 1.1% |
| AUS–LAS | Austin to Las Vegas | 265 | 71.3% | 13.0 min | 0.8% |
| AUS–IAH | Austin to Houston | 234 | 74.4% | 15.1 min | 3.0% |
| AUS–MCO | Austin to Orlando | 229 | 66.4% | 17.3 min | 1.3% |
| AUS–SFO | Austin to San Francisco | 208 | 76.0% | 11.4 min | 0.5% |
| AUS–DAL | Austin to Dallas | 206 | 70.4% | 12.6 min | 1.9% |
By scheduled departure hour
Delay causes
Questions and answers
How many flights left AUS on time in May 2025?
68.6% of 7,634 scheduled domestic departures left less than 15 minutes late, and 71.4% reached their destination on time. The national figures that month were 76.7% and 75.4%.
How does that compare with a year earlier?
In May 2024, 64.2% of 7,852 departures left on time and 1.5% were cancelled, against 68.6% and 1.1% in May 2025.
Provenance
Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for May 2025; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for AUS · methodology · corrections.