Which departure time was most reliable for DCA to MIA?
Among qualifying DCA-to-MIA departure window results, Early morning had the highest on-time rate: 87.3% of 1,366 flights. Evening was lowest at 61.3% across 956 flights.
| Departure window | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Early morning | 1,366 | 87.3% | 6.0% | 2.0% |
| Late morning | 625 | 77.6% | 13.4% | 1.8% |
| Afternoon | 1,012 | 66.4% | 21.9% | 1.7% |
| Evening | 956 | 61.3% | 27.6% | 3.5% |
Which weekday was most reliable for DCA to MIA?
Among qualifying DCA-to-MIA weekday results, Tuesday had the highest on-time rate: 79.4% of 586 flights. Sunday was lowest at 64.4% across 576 flights.
| Day | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Monday | 576 | 72.6% | 14.8% | 4.9% |
| Tuesday | 586 | 79.4% | 11.3% | 2.4% |
| Wednesday | 573 | 75.7% | 14.7% | 2.1% |
| Thursday | 561 | 76.8% | 15.9% | 0.9% |
| Friday | 572 | 74.7% | 18.2% | 0.7% |
| Saturday | 515 | 75.5% | 17.7% | 0.6% |
| Sunday | 576 | 64.4% | 23.1% | 3.8% |
Which airline was most reliable for DCA to MIA?
Among qualifying DCA-to-MIA airline results, American Airlines had the highest on-time rate: 75.4% of 3,546 flights. Republic Airways was lowest at 54.2% across 48 flights.
| Airline | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| American Airlines | 3,546 | 75.4% | 15.3% | 2.3% |
| Delta Air Lines | 364 | 64.8% | 24.5% | 1.9% |
| Republic Airways | 48 | 54.2% | 39.6% | 0.0% |
| Envoy Air | 1 | 100.0% | 0.0% | 0.0% |
Which month was most reliable for DCA to MIA?
Among qualifying DCA-to-MIA month results, April 2026 had the highest on-time rate: 79.9% of 329 flights. July 2025 was lowest at 59.6% across 332 flights.
| Month | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| July 2025 | 332 | 59.6% | 24.1% | 7.8% |
| August 2025 | 335 | 71.9% | 18.8% | 0.9% |
| September 2025 | 326 | 67.2% | 19.3% | 0.6% |
| October 2025 | 337 | 77.7% | 13.4% | 0.3% |
| November 2025 | 310 | 76.5% | 13.2% | 1.6% |
| December 2025 | 344 | 75.9% | 18.0% | 0.0% |
| January 2026 | 340 | 71.5% | 15.0% | 8.8% |
| February 2026 | 302 | 79.5% | 13.6% | 2.3% |
| March 2026 | 337 | 77.7% | 13.6% | 2.1% |
| April 2026 | 329 | 79.9% | 15.8% | 0.0% |
| May 2026 | 341 | 75.7% | 15.5% | 0.6% |
| June 2026 | 326 | 77.0% | 16.9% | 1.5% |
What drove DCA to MIA delay minutes?
Late aircraft was the largest recorded DCA-to-MIA delay category, accounting for 51.6% of 76,790 BTS-attributed delay minutes during July 2025–June 2026.
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