AUS · Austin Bergstrom International Airport
Austin, TX. All airports.
Share of flights 15+ min late, by month
departures
arrivals
usual for the month (departures)
Jan 2015 → Jul 2026; gridlines 10/20/30/40%
Recent months — departures
| Month | Flights | Late 15+ | vs usual | Cancelled | Avg min | Main cause |
|---|---|---|---|---|---|---|
| Jul 2026 | 8,177 | 33.5% | +8.1 | 1.3% | 25 | Late aircraft |
| Jun 2026 | 7,879 | 33.4% | +4.7 | 1.0% | 24 | Late aircraft |
| May 2026 | 7,831 | 28.5% | +7.7 | 0.9% | 21 | Late aircraft |
| Apr 2026 | 7,647 | 22.7% | -0.6 | 0.6% | 16 | Airline |
| Mar 2026 | 7,973 | 27.2% | +4.5 | 1.7% | 21 | Late aircraft |
| Feb 2026 | 6,471 | 19.7% | +1.9 | 1.0% | 14 | Airline |
| Jan 2026 | 6,707 | 18.7% | +1.4 | 4.7% | 16 | Late aircraft |
| Dec 2025 | 7,528 | 25.6% | +3.6 | 0.6% | 18 | Late aircraft |
| Nov 2025 | 7,346 | 25.0% | +7.2 | 1.0% | 20 | Late aircraft |
| Oct 2025 | 7,845 | 23.7% | +6.2 | 0.4% | 16 | Late aircraft |
| Sep 2025 | 6,889 | 15.6% | +2.1 | 0.4% | 12 | Late aircraft |
| Aug 2025 | 7,214 | 22.0% | +1.6 | 0.9% | 17 | Late aircraft |
| Jul 2025 | 7,896 | 31.2% | +5.9 | 1.6% | 26 | Late aircraft |
| Jun 2025 | 7,719 | 30.0% | +3.4 | 0.9% | 23 | Late aircraft |
| May 2025 | 7,634 | 30.6% | +9.8 | 1.1% | 23 | Late aircraft |
| Apr 2025 | 7,311 | 20.1% | -3.2 | 0.7% | 15 | Late aircraft |
| Mar 2025 | 7,367 | 19.3% | -3.4 | 1.0% | 15 | Late aircraft |
| Feb 2025 | 5,840 | 18.1% | +0.2 | 0.4% | 13 | Late aircraft |
| Jan 2025 | 6,142 | 16.3% | -1.0 | 2.4% | 12 | Late aircraft |
| Dec 2024 | 6,932 | 22.0% | +4.5 | 0.4% | 17 | Late aircraft |
| Nov 2024 | 6,861 | 15.3% | -2.5 | 0.4% | 11 | Late aircraft |
| Oct 2024 | 7,398 | 13.9% | -4.4 | 0.6% | 10 | Late aircraft |
| Sep 2024 | 6,816 | 13.5% | -2.6 | 0.3% | 9 | Late aircraft |
| Aug 2024 | 7,157 | 19.7% | -0.7 | 0.9% | 17 | Late aircraft |
Airlines here, Apr 2025 (departures)
| Airline | Flights | Late | Canc. |
|---|---|---|---|
| United | 862 | 12.7% | 0.3% |
| Alaska | 176 | 13.7% | 0.6% |
| Delta | 994 | 16.6% | 0.5% |
| SkyWest | 579 | 16.7% | 0.7% |
| Envoy | 118 | 19.6% | 9.3% |
| American | 1,025 | 21.3% | 1.4% |
| Southwest | 3,236 | 22.8% | 0.4% |
| Spirit | 92 | 24.2% | 1.1% |
| Frontier | 147 | 30.6% | 0.0% |
| JetBlue | 30 | 31.0% | 3.3% |
| Allegiant | 48 | 35.4% | 0.0% |
Airlines with 30+ departures that month.
Worst days on record
| Date | Flights | Late | Canc. |
|---|---|---|---|
| 2021-02-15 | 99 | — | 100% |
| 2021-02-16 | 73 | — | 100% |
| 2021-02-17 | 73 | 75% | 95% |
| 2022-02-03 | 241 | 64% | 95% |
| 2026-01-25 | 248 | 79% | 51% |
| 2021-02-18 | 98 | 43% | 79% |
| 2023-02-01 | 251 | 57% | 70% |
| 2015-10-31 | 86 | 70% | 42% |
| 2015-11-03 | 133 | 77% | 18% |
| 2022-12-23 | 254 | 75% | 20% |
| 2024-05-31 | 276 | 79% | 5% |
| 2023-01-11 | 249 | 76% | 8% |
Departures; ranked by share late or cancelled.
FAA programs, last 90 days
| Started (UTC) | What | Hours |
|---|---|---|
| 2026-10-18 15:00 | Ground delay program | 6.8 |
| 2026-10-16 15:15 | Ground delay program | 7.0 |
| 2026-10-16 15:00 | Ground stop | 0.2 |
| 2026-10-14 18:29 | Ground delay program | 4.8 |