Flight OddsDL1391 PHL → DTW
Delta Air Lines · Philadelphia, PA to Detroit, MI · 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 PHL → DTW, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
75%
Median delay
-6 min
90th percentile
+84 min
Cancellation rate
2%
How often is DL1391 on time?
Across 177 flights on PHL → DTW from 2026-01-05 to 2026-06-30, DL1391 arrived within 15 minutes of schedule 75% of the time. The median arrival delay was -6 min, and the worst 10% of flights arrived +84 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 | 12 | 7% |
| 31-60 min | 13 | 8% |
| 61-120 min | 7 | 4% |
| 2+ hrs | 12 | 7% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 26 | 88% | -4 min |
| 2026-02 | 26 | 85% | -1 min |
| 2026-03 | 31 | 84% | +7 min |
| 2026-04 | 30 | 70% | +18 min |
| 2026-05 | 31 | 65% | +45 min |
| 2026-06 | 29 | 59% | +37 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 25 | 64% |
| Tue | 26 | 81% |
| Wed | 25 | 72% |
| Thu | 25 | 72% |
| Fri | 25 | 80% |
| Sat | 25 | 72% |
| Sun | 22 | 82% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…