Flight OddsDL5399 PWM → JFK
Delta Air Lines · Portland, ME to New York, NY · 254 flights observed, 2025-07-01 to 2026-06-30 · 273 mi
DL5399 covers more than one route in the data window — the stats below are for PWM → JFK, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
71%
Median delay
-2 min
90th percentile
+70 min
Cancellation rate
4%
How often is DL5399 on time?
Across 254 flights on PWM → JFK from 2025-07-01 to 2026-06-30, DL5399 arrived within 15 minutes of schedule 71% of the time. The median arrival delay was -2 min, and the worst 10% of flights arrived +70 min or later. 4% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 172 | 71% |
| 16-30 min | 16 | 7% |
| 31-60 min | 26 | 11% |
| 61-120 min | 15 | 6% |
| 2+ hrs | 13 | 5% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 26 | 50% | +49 min |
| 2025-08 | 31 | 58% | +17 min |
| 2025-09 | 29 | 86% | +1 min |
| 2025-10 | 30 | 80% | +20 min |
| 2025-11 | 27 | 67% | +25 min |
| 2025-12 | 17 | 59% | +22 min |
| 2026-03 | 23 | 83% | +8 min |
| 2026-04 | 30 | 77% | +1 min |
| 2026-05 | 6 | 100% | -15 min |
| 2026-06 | 23 | 70% | +16 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 34 | 71% |
| Tue | 36 | 67% |
| Wed | 36 | 69% |
| Thu | 34 | 65% |
| Fri | 33 | 73% |
| Sat | 34 | 88% |
| Sun | 35 | 66% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…