Flight OddsDL1391 DTW → PHL
Delta Air Lines · Detroit, MI to Philadelphia, PA · 177 flights observed, 2026-01-05 to 2026-06-30 · 453 mi
DL1391 covers more than one route in the data window — the stats below are for DTW → PHL, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
75%
Median delay
-4 min
90th percentile
+52 min
Cancellation rate
2%
How often is DL1391 on time?
Across 177 flights on DTW → PHL from 2026-01-05 to 2026-06-30, DL1391 arrived within 15 minutes of schedule 75% of the time. The median arrival delay was -4 min, and the worst 10% of flights arrived +52 min or later. 2% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 129 | 75% |
| 16-30 min | 17 | 10% |
| 31-60 min | 12 | 7% |
| 61-120 min | 6 | 3% |
| 2+ hrs | 9 | 5% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 26 | 81% | -4 min |
| 2026-02 | 26 | 81% | +0 min |
| 2026-03 | 30 | 80% | +11 min |
| 2026-04 | 30 | 77% | +9 min |
| 2026-05 | 31 | 71% | +20 min |
| 2026-06 | 30 | 60% | +23 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 25 | 64% |
| Tue | 26 | 73% |
| Wed | 25 | 72% |
| Thu | 25 | 84% |
| Fri | 25 | 76% |
| Sat | 24 | 79% |
| Sun | 23 | 74% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…