DCA · Ronald Reagan Washington National Airport
Washington, DC. 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 | 12,115 | 36.2% | +8.1 | 8.0% | 33 | Late aircraft |
| Jun 2026 | 11,953 | 28.4% | +6.3 | 4.9% | 26 | Late aircraft |
| May 2026 | 12,158 | 23.7% | -0.7 | 1.4% | 18 | Late aircraft |
| Apr 2026 | 11,802 | 23.6% | +5.0 | 0.8% | 19 | Late aircraft |
| Mar 2026 | 12,204 | 31.9% | +14.2 | 5.0% | 27 | Late aircraft |
| Feb 2026 | 10,996 | 29.7% | +16.3 | 4.3% | 22 | Late aircraft |
| Jan 2026 | 11,858 | 25.0% | +4.4 | 9.4% | 21 | Late aircraft |
| Dec 2025 | 11,308 | 31.0% | +10.5 | 2.3% | 24 | Late aircraft |
| Nov 2025 | 11,586 | 26.1% | +12.6 | 3.0% | 20 | Late aircraft |
| Oct 2025 | 12,273 | 21.3% | +8.3 | 0.6% | 14 | Late aircraft |
| Sep 2025 | 11,822 | 20.2% | +6.7 | 0.8% | 15 | Late aircraft |
| Aug 2025 | 12,098 | 22.2% | +1.3 | 2.1% | 18 | Late aircraft |
| Jul 2025 | 12,192 | 33.0% | +7.8 | 9.5% | 34 | Late aircraft |
| Jun 2025 | 11,890 | 31.8% | +9.8 | 5.9% | 29 | Late aircraft |
| May 2025 | 12,252 | 25.9% | +7.2 | 2.5% | 21 | Late aircraft |
| Apr 2025 | 12,034 | 20.4% | +1.8 | 0.9% | 15 | Late aircraft |
| Mar 2025 | 12,336 | 22.6% | +6.6 | 2.3% | 19 | Late aircraft |
| Feb 2025 | 10,981 | 33.3% | +19.9 | 7.4% | 30 | Late aircraft |
| Jan 2025 | 11,734 | 20.7% | +2.0 | 9.3% | 16 | Late aircraft |
| Dec 2024 | 11,346 | 24.3% | +5.7 | 0.8% | 19 | Late aircraft |
| Nov 2024 | 11,545 | 13.4% | -2.0 | 0.1% | 10 | Late aircraft |
| Oct 2024 | 12,035 | 12.5% | -2.0 | 0.7% | 9 | Late aircraft |
| Sep 2024 | 11,546 | 13.6% | -2.5 | 0.7% | 10 | Late aircraft |
| Aug 2024 | 11,874 | 24.6% | +3.7 | 3.8% | 22 | Late aircraft |
Airlines here, Aug 2025 (departures)
| Airline | Flights | Late | Canc. |
|---|---|---|---|
| United | 642 | 15.4% | 2.0% |
| Republic | 2,232 | 16.1% | 1.8% |
| Envoy | 350 | 16.3% | 1.7% |
| Delta | 806 | 19.1% | 2.4% |
| JetBlue | 562 | 20.6% | 0.9% |
| American | 2,400 | 22.3% | 1.5% |
| Frontier | 84 | 22.6% | 0.0% |
| Alaska | 186 | 26.2% | 1.6% |
| PSA | 3,479 | 26.5% | 3.4% |
| Southwest | 1,357 | 27.7% | 1.0% |
Airlines with 30+ departures that month.
Worst days on record
| Date | Flights | Late | Canc. |
|---|---|---|---|
| 2016-01-23 | 155 | — | 100% |
| 2016-01-24 | 205 | — | 100% |
| 2026-01-25 | 397 | — | 100% |
| 2026-01-26 | 411 | 89% | 78% |
| 2022-01-03 | 387 | 52% | 95% |
| 2025-01-06 | 368 | 72% | 88% |
| 2024-01-19 | 408 | 88% | 28% |
| 2015-03-05 | 237 | 66% | 64% |
| 2018-03-21 | 387 | 49% | 71% |
| 2017-03-14 | 222 | 48% | 71% |
| 2019-01-13 | 386 | 65% | 54% |
| 2022-01-04 | 380 | 77% | 26% |
Departures; ranked by share late or cancelled.
FAA programs, last 90 days
| Started (UTC) | What | Hours |
|---|---|---|
| 2026-10-19 20:00 | Ground stop | 0.7 |
| 2026-10-16 22:15 | Ground stop | 3.0 |
| 2026-10-16 12:30 | Ground delay program | 15.5 |