About 1 in 4 DL 5411 flights from New York arrived 15+ minutes late, diverted or cancelled over the past year (29%); 10.1% were cancelled. The typical flight landed 17 minutes early.
DL 5411: JFK → PWM
Scheduled to leave New York at 10:59 p.m. local time, operated by Endeavor Air as 9E 5411. Over the past year it arrived on time 71% of the time (347 flights), in line with other DL flights on the route at that hour (71%). Last seen in the data Aug 31, 2026.
Usually Delta Air Lines's last flight of the day from New York to Portland (100% of days). Delta Air Lines's last JFK–PWM flight was cancelled 10.1% of the time, against 2.6% for its earlier ones. If it's cancelled, the next Delta Air Lines flight is usually around 12:45 p.m. the next morning.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 51 | 71% |
| Tuesday | 50 | 80% |
| Wednesday | 50 | 68% |
| Thursday | 49 | 67% |
| Friday | 49 | 82% |
| Saturday | 49 | 73% |
| Sunday | 49 | 59% |
Why it was late
All flights JFK → PWM · Connecting off DL 5411? Check the risk
Questions
How often is DL 5411 from JFK to PWM late?
Delta Air Lines 5411 from New York, NY to Portland, ME arrived 15 or more minutes late, was diverted or was cancelled on 29% of 347 scheduled flights between September 2025 and August 2026. 10.1% were cancelled.
Flight numbers change. Figures cover flights with this airline, number and route only. "Likely range" is the 95% interval for the true on-time rate given the number of flights. This is history, not live status: check Delta Air Lines for today's flight. Method.