Which departure time was most reliable for DTW to DCA?
Among qualifying DTW-to-DCA departure window results, Late morning had the highest on-time rate: 80.9% of 718 flights. Evening was lowest at 50.4% across 603 flights.
| Departure window | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Early morning | 681 | 75.0% | 13.5% | 4.4% |
| Late morning | 718 | 80.9% | 10.0% | 3.8% |
| Afternoon | 613 | 51.9% | 29.7% | 2.0% |
| Evening | 603 | 50.4% | 30.0% | 6.0% |
| Night | 363 | 66.7% | 19.0% | 2.8% |
Which weekday was most reliable for DTW to DCA?
Among qualifying DTW-to-DCA weekday results, Saturday had the highest on-time rate: 79.7% of 344 flights. Sunday was lowest at 59.9% across 406 flights.
| Day | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Monday | 449 | 62.4% | 20.5% | 5.1% |
| Tuesday | 454 | 71.8% | 15.4% | 4.0% |
| Wednesday | 444 | 64.2% | 23.4% | 2.7% |
| Thursday | 438 | 62.3% | 25.1% | 1.6% |
| Friday | 443 | 62.1% | 22.8% | 4.3% |
| Saturday | 344 | 79.7% | 12.8% | 3.2% |
| Sunday | 406 | 59.9% | 18.5% | 6.2% |
Which airline was most reliable for DTW to DCA?
Among qualifying DTW-to-DCA airline results, Delta Air Lines had the highest on-time rate: 67.0% of 1,745 flights. Republic Airways was lowest at 60.9% across 271 flights.
| Airline | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Delta Air Lines | 1,745 | 67.0% | 18.8% | 2.3% |
| PSA Airlines | 956 | 64.7% | 21.2% | 6.5% |
| Republic Airways | 271 | 60.9% | 23.2% | 4.8% |
| American Airlines | 4 | 25.0% | 50.0% | 0.0% |
| Envoy Air | 2 | 100.0% | 0.0% | 0.0% |
Which month was most reliable for DTW to DCA?
Among qualifying DTW-to-DCA month results, September 2025 had the highest on-time rate: 82.2% of 247 flights. January 2026 was lowest at 53.0% across 249 flights.
| Month | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| July 2025 | 239 | 55.2% | 27.2% | 8.8% |
| August 2025 | 233 | 77.3% | 14.6% | 1.7% |
| September 2025 | 247 | 82.2% | 11.7% | 0.0% |
| October 2025 | 258 | 81.4% | 12.4% | 0.0% |
| November 2025 | 253 | 56.5% | 28.1% | 2.8% |
| December 2025 | 238 | 59.2% | 26.5% | 4.2% |
| January 2026 | 249 | 53.0% | 21.3% | 10.0% |
| February 2026 | 239 | 54.8% | 26.8% | 4.6% |
| March 2026 | 271 | 58.7% | 24.0% | 6.6% |
| April 2026 | 262 | 70.6% | 15.3% | 1.1% |
| May 2026 | 257 | 73.5% | 14.4% | 1.6% |
| June 2026 | 232 | 65.1% | 18.5% | 5.2% |
What drove DTW to DCA delay minutes?
National airspace was the largest recorded DTW-to-DCA delay category, accounting for 35.9% of 72,827 BTS-attributed delay minutes during July 2025–June 2026.
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