Flight OddsDL1909 PWM → DTW
Delta Air Lines · Portland, ME to Detroit, MI · 164 flights observed, 2025-07-05 to 2025-12-19 · 668 mi
DL1909 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
77%
Median delay
-14 min
90th percentile
+52 min
Cancellation rate
1%
How often is DL1909 on time?
Across 164 flights on PWM → DTW from 2025-07-05 to 2025-12-19, DL1909 arrived within 15 minutes of schedule 77% of the time. The median arrival delay was -14 min, and the worst 10% of flights arrived +52 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 125 | 77% |
| 16-30 min | 10 | 6% |
| 31-60 min | 14 | 9% |
| 61-120 min | 9 | 6% |
| 2+ hrs | 5 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 26 | 54% | +35 min |
| 2025-08 | 30 | 73% | -2 min |
| 2025-09 | 30 | 83% | -6 min |
| 2025-10 | 30 | 93% | -16 min |
| 2025-11 | 28 | 79% | -2 min |
| 2025-12 | 19 | 74% | +19 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 24 | 88% |
| Tue | 24 | 92% |
| Wed | 24 | 83% |
| Thu | 23 | 74% |
| Fri | 22 | 73% |
| Sat | 24 | 58% |
| Sun | 22 | 68% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…