Flight OddsDL4691 PWM → DTW
Delta Air Lines · Portland, ME to Detroit, MI · 41 flights observed, 2025-11-09 to 2025-12-19 · 668 mi
DL4691 covers more than one route in the data window — the stats below are for PWM → DTW, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
79%
Median delay
-17 min
90th percentile
+67 min
Cancellation rate
5%
How often is DL4691 on time?
Across 41 flights on PWM → DTW from 2025-11-09 to 2025-12-19, DL4691 arrived within 15 minutes of schedule 79% of the time. The median arrival delay was -17 min, and the worst 10% of flights arrived +67 min or later. 5% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 31 | 79% |
| 16-30 min | 1 | 3% |
| 31-60 min | 2 | 5% |
| 61-120 min | 3 | 8% |
| 2+ hrs | 2 | 5% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-11 | 21 | 100% | -16 min |
| 2025-12 | 18 | 56% | +58 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 6 | 67% |
| Tue | 6 | 67% |
| Wed | 6 | 83% |
| Thu | 6 | 100% |
| Fri | 5 | 100% |
| Sat | 5 | 80% |
| Sun | 5 | 60% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…