DSM · Des Moines International Airport
Des Moines, IA. 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 | 1,415 | 24.3% | +2.3 | 2.6% | 27 | Airline |
| Jun 2026 | 1,356 | 23.8% | +3.9 | 2.9% | 24 | Airline |
| May 2026 | 1,382 | 17.4% | +3.1 | 1.2% | 16 | Late aircraft |
| Apr 2026 | 1,307 | 15.1% | +2.0 | 2.5% | 18 | Late aircraft |
| Mar 2026 | 1,371 | 21.6% | +6.4 | 4.2% | 23 | Airline |
| Feb 2026 | 1,095 | 18.7% | +4.1 | 1.0% | 22 | Airline |
| Jan 2026 | 1,122 | 22.2% | +1.7 | 4.3% | 26 | Airline |
| Dec 2025 | 1,262 | 29.0% | +12.2 | 3.6% | 32 | Airline |
| Nov 2025 | 1,267 | 17.9% | +6.2 | 5.6% | 22 | Late aircraft |
| Oct 2025 | 1,391 | 13.9% | +1.7 | 0.4% | 11 | Late aircraft |
| Sep 2025 | 1,244 | 12.0% | +1.7 | 0.5% | 9 | Late aircraft |
| Aug 2025 | 1,372 | 19.2% | +2.3 | 1.3% | 21 | Late aircraft |
| Jul 2025 | 1,367 | 22.0% | +4.5 | 3.5% | 25 | Airline |
| Jun 2025 | 1,331 | 21.6% | +2.7 | 1.3% | 19 | Airline |
| May 2025 | 1,218 | 18.6% | +4.3 | 0.7% | 16 | Airline |
| Apr 2025 | 1,087 | 13.1% | +0.2 | 1.1% | 12 | Late aircraft |
| Mar 2025 | 1,212 | 16.3% | +1.6 | 4.5% | 15 | Late aircraft |
| Feb 2025 | 971 | 17.3% | +2.7 | 1.5% | 15 | Airline |
| Jan 2025 | 1,051 | 18.1% | -2.3 | 2.3% | 17 | Late aircraft |
| Dec 2024 | 1,271 | 19.9% | +4.5 | 0.4% | 21 | Airline |
| Nov 2024 | 1,259 | 9.7% | -2.8 | 0.2% | 9 | Late aircraft |
| Oct 2024 | 1,332 | 11.0% | -2.9 | 0.4% | 11 | Airline |
| Sep 2024 | 1,217 | 9.6% | -2.0 | 0.2% | 8 | Airline |
| Aug 2024 | 1,315 | 18.8% | +1.9 | 1.6% | 17 | Late aircraft |
Airlines here, Sep 2025 (departures)
| Airline | Flights | Late | Canc. |
|---|---|---|---|
| Envoy | 34 | 5.9% | 0.0% |
| Delta | 113 | 8.0% | 0.0% |
| Republic | 83 | 8.5% | 1.2% |
| United | 227 | 10.1% | 0.0% |
| SkyWest | 238 | 10.2% | 0.8% |
| PSA | 105 | 10.6% | 1.0% |
| Southwest | 146 | 11.0% | 0.0% |
| Allegiant | 123 | 15.4% | 0.0% |
| American | 158 | 21.8% | 1.3% |
Airlines with 30+ departures that month.
Worst days on record
| Date | Flights | Late | Canc. |
|---|---|---|---|
| 2025-11-30 | 52 | 97% | 42% |
| 2026-03-16 | 50 | 65% | 26% |
| 2020-03-26 | 53 | 0% | 58% |
| 2026-05-18 | 52 | 47% | 6% |
| 2020-02-13 | 53 | 47% | 4% |
| 2024-12-02 | 51 | 45% | 0% |
| 2019-02-20 | 50 | 38% | 10% |
| 2020-03-25 | 50 | 0% | 42% |
| 2020-03-24 | 53 | 6% | 38% |
| 2019-02-25 | 50 | 40% | 0% |
| 2019-06-09 | 51 | 33% | 10% |
| 2019-07-18 | 52 | 28% | 12% |
Departures; ranked by share late or cancelled.
FAA programs, last 90 days
None recorded.