About 1 in 3 DL 5103 flights from New York arrived 15+ minutes late, diverted or cancelled over the past year (35%); 9.2% were cancelled. The typical flight landed 9 minutes early.
DL 5103: JFK → RDU
Scheduled to leave New York at 8:29 p.m. local time, operated by Endeavor Air as 9E 5103. Over the past year it arrived on time 65% of the time (347 flights), worse than other DL flights on the route at that hour (72%). Last seen in the data Aug 31, 2026.
Usually Delta Air Lines's last flight of the day from New York to Raleigh (100% of days). Delta Air Lines's last JFK–RDU flight was cancelled 9.0% of the time, against 4.5% for its earlier ones. If it's cancelled, the next Delta Air Lines flight is usually around 8:50 a.m. the next morning.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 51 | 53% |
| Tuesday | 50 | 70% |
| Wednesday | 50 | 66% |
| Thursday | 49 | 63% |
| Friday | 49 | 80% |
| Saturday | 49 | 71% |
| Sunday | 49 | 49% |
Why it was late
All flights JFK → RDU · Connecting off DL 5103? Check the risk
Questions
How often is DL 5103 from JFK to RDU late?
Delta Air Lines 5103 from New York, NY to Raleigh/Durham, NC arrived 15 or more minutes late, was diverted or was cancelled on 35% of 347 scheduled flights between September 2025 and August 2026. 9.2% 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.