SLC · Salt Lake City International Airport
Salt Lake City, UT. 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 | 10,368 | 19.2% | -0.2 | 0.8% | 15 | Airline |
| Jun 2026 | 10,084 | 18.3% | -0.8 | 0.5% | 13 | Airline |
| May 2026 | 10,146 | 14.8% | +0.5 | 0.4% | 9 | Airline |
| Apr 2026 | 9,877 | 13.9% | -1.1 | 0.4% | 10 | Airline |
| Mar 2026 | 10,632 | 15.2% | -1.2 | 1.2% | 11 | Airline |
| Feb 2026 | 9,167 | 15.9% | +1.5 | 1.0% | 12 | Airline |
| Jan 2026 | 9,515 | 15.1% | -0.6 | 1.8% | 11 | Airline |
| Dec 2025 | 9,740 | 18.4% | +1.2 | 0.8% | 13 | Airline |
| Nov 2025 | 9,197 | 13.2% | +2.7 | 1.7% | 10 | Airline |
| Oct 2025 | 9,841 | 13.2% | +2.5 | 0.1% | 9 | Airline |
| Sep 2025 | 9,344 | 11.3% | -0.8 | 0.2% | 8 | Airline |
| Aug 2025 | 9,985 | 14.9% | -2.0 | 0.4% | 11 | Airline |
| Jul 2025 | 10,346 | 19.4% | +0.4 | 0.7% | 15 | Airline |
| Jun 2025 | 9,995 | 18.7% | -0.5 | 0.5% | 13 | Airline |
| May 2025 | 9,923 | 15.1% | +1.5 | 0.2% | 11 | Airline |
| Apr 2025 | 9,515 | 13.4% | -1.6 | 0.2% | 9 | Airline |
| Mar 2025 | 10,276 | 15.1% | -1.3 | 0.2% | 11 | Airline |
| Feb 2025 | 8,786 | 17.3% | +3.0 | 0.4% | 12 | Airline |
| Jan 2025 | 9,350 | 15.0% | -0.7 | 0.8% | 11 | Airline |
| Dec 2024 | 9,496 | 17.2% | +0.8 | 0.3% | 13 | Airline |
| Nov 2024 | 8,809 | 11.2% | +0.8 | 0.2% | 9 | Airline |
| Oct 2024 | 9,446 | 10.7% | +0.1 | 0.2% | 8 | Airline |
| Sep 2024 | 9,281 | 12.8% | +2.1 | 0.1% | 9 | Airline |
| Aug 2024 | 9,799 | 19.5% | +2.7 | 0.6% | 16 | Airline |
Airlines here, Jun 2026 (departures)
| Airline | Flights | Late | Canc. |
|---|---|---|---|
| SkyWest | 3,189 | 9.3% | 0.0% |
| Frontier | 276 | 18.8% | 1.4% |
| Delta | 4,670 | 19.0% | 0.4% |
| Alaska | 155 | 20.0% | 0.0% |
| United | 405 | 24.8% | 1.5% |
| American | 404 | 26.3% | 4.0% |
| Southwest | 926 | 38.2% | 0.0% |
| JetBlue | 50 | 40.8% | 2.0% |
Airlines with 30+ departures that month.
Worst days on record
| Date | Flights | Late | Canc. |
|---|---|---|---|
| 2020-03-18 | 368 | 71% | 71% |
| 2023-02-22 | 295 | 82% | 16% |
| 2021-12-15 | 294 | 82% | 4% |
| 2024-07-19 | 331 | 72% | 19% |
| 2021-12-26 | 327 | 72% | 15% |
| 2016-12-25 | 218 | 75% | 4% |
| 2021-12-28 | 325 | 71% | 5% |
| 2021-12-27 | 328 | 65% | 12% |
| 2017-01-05 | 303 | 67% | 1% |
| 2023-03-26 | 298 | 62% | 6% |
| 2023-01-01 | 247 | 63% | 2% |
| 2024-07-21 | 331 | 52% | 21% |
Departures; ranked by share late or cancelled.
FAA programs, last 90 days
None recorded.