Flight OddsDL5399 JFK → PWM
Delta Air Lines · New York, NY to Portland, ME · 231 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 JFK → PWM, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
78%
Median delay
-10 min
90th percentile
+41 min
Cancellation rate
1%
How often is DL5399 on time?
Across 231 flights on JFK → PWM from 2025-07-01 to 2026-06-30, DL5399 arrived within 15 minutes of schedule 78% of the time. The median arrival delay was -10 min, and the worst 10% of flights arrived +41 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 | 178 | 78% |
| 16-30 min | 21 | 9% |
| 31-60 min | 13 | 6% |
| 61-120 min | 11 | 5% |
| 2+ hrs | 5 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 74% | +1 min |
| 2025-08 | 31 | 87% | -5 min |
| 2025-09 | 30 | 87% | -9 min |
| 2025-10 | 31 | 81% | -6 min |
| 2025-11 | 28 | 75% | +17 min |
| 2025-12 | 18 | 67% | +27 min |
| 2026-03 | 23 | 78% | +4 min |
| 2026-04 | 12 | 50% | +19 min |
| 2026-06 | 24 | 83% | -6 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 32 | 66% |
| Tue | 33 | 70% |
| Wed | 33 | 82% |
| Thu | 33 | 85% |
| Fri | 31 | 77% |
| Sat | 32 | 97% |
| Sun | 34 | 71% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…