Which departure time was most reliable for DTW to PHL?
Among qualifying DTW-to-PHL departure window results, Early morning had the highest on-time rate: 83.9% of 702 flights. Evening was lowest at 66.5% across 469 flights.
| Departure window | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Early morning | 702 | 83.9% | 8.1% | 4.4% |
| Late morning | 684 | 81.7% | 10.2% | 2.0% |
| Afternoon | 715 | 67.7% | 21.8% | 1.5% |
| Evening | 469 | 66.5% | 21.1% | 4.7% |
| Night | 382 | 78.8% | 14.1% | 2.4% |
Which weekday was most reliable for DTW to PHL?
Among qualifying DTW-to-PHL weekday results, Tuesday had the highest on-time rate: 82.4% of 420 flights. Sunday was lowest at 70.3% across 434 flights.
| Day | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Monday | 445 | 72.6% | 15.5% | 4.7% |
| Tuesday | 420 | 82.4% | 11.7% | 1.4% |
| Wednesday | 409 | 76.5% | 14.9% | 2.2% |
| Thursday | 438 | 77.4% | 14.6% | 1.8% |
| Friday | 437 | 75.5% | 14.0% | 2.5% |
| Saturday | 369 | 78.3% | 13.6% | 2.4% |
| Sunday | 434 | 70.3% | 18.9% | 5.3% |
Which airline was most reliable for DTW to PHL?
Among qualifying DTW-to-PHL airline results, Spirit Airlines had the highest on-time rate: 78.8% of 132 flights. SkyWest Airlines was lowest at 58.0% across 69 flights.
| Airline | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Delta Air Lines | 1,557 | 78.5% | 13.9% | 2.1% |
| PSA Airlines | 846 | 75.1% | 13.4% | 5.2% |
| American Airlines | 179 | 71.5% | 20.7% | 0.6% |
| Spirit Airlines | 132 | 78.8% | 15.9% | 0.0% |
| Republic Airways | 112 | 69.6% | 17.0% | 5.4% |
| SkyWest Airlines | 69 | 58.0% | 27.5% | 2.9% |
| Frontier Airlines | 57 | 66.7% | 17.5% | 3.5% |
Which month was most reliable for DTW to PHL?
Among qualifying DTW-to-PHL month results, September 2025 had the highest on-time rate: 86.8% of 266 flights. July 2025 was lowest at 62.6% across 281 flights.
| Month | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| July 2025 | 281 | 62.6% | 26.0% | 3.6% |
| August 2025 | 268 | 75.7% | 17.5% | 1.1% |
| September 2025 | 266 | 86.8% | 8.6% | 0.4% |
| October 2025 | 282 | 86.2% | 8.2% | 0.0% |
| November 2025 | 239 | 79.1% | 16.3% | 1.3% |
| December 2025 | 233 | 63.1% | 25.8% | 2.6% |
| January 2026 | 218 | 67.4% | 16.1% | 7.3% |
| February 2026 | 213 | 71.4% | 14.6% | 6.1% |
| March 2026 | 220 | 79.1% | 12.7% | 5.5% |
| April 2026 | 233 | 82.0% | 9.4% | 1.7% |
| May 2026 | 248 | 82.3% | 9.7% | 2.8% |
| June 2026 | 251 | 74.9% | 12.4% | 4.8% |
What drove DTW to PHL delay minutes?
Airline was the largest recorded DTW-to-PHL delay category, accounting for 38.6% of 52,640 BTS-attributed delay minutes during July 2025–June 2026.
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