About 1 in 6 DL 5239 flights from Raleigh arrived 15+ minutes late, diverted or cancelled over the past year (16%); 5.2% were cancelled. The typical flight landed 11 minutes early.
DL 5239: RDU → JFK
Scheduled to leave Raleigh at 7:10 a.m. local time, operated by Endeavor Air as 9E 5239. Over the past year it arrived on time 84% of the time (349 flights), in line with other DL flights on the route at that hour (83%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 51 | 80% |
| Tuesday | 50 | 80% |
| Wednesday | 50 | 86% |
| Thursday | 50 | 92% |
| Friday | 50 | 82% |
| Saturday | 49 | 88% |
| Sunday | 49 | 80% |
Why it was late
All flights RDU → JFK · Connecting off DL 5239? Check the risk
Questions
How often is DL 5239 from RDU to JFK late?
Delta Air Lines 5239 from Raleigh/Durham, NC to New York, NY arrived 15 or more minutes late, was diverted or was cancelled on 16% of 349 scheduled flights between September 2025 and August 2026. 5.2% 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.