About 1 in 3 DL 5109 flights from New York arrived 15+ minutes late, diverted or cancelled over the past year (36%); 9.6% were cancelled. The typical flight landed 7 minutes early.
DL 5109: LGA → RDU
Scheduled to leave New York at 3:30 p.m. local time, operated by Endeavor Air as 9E 5109. Over the past year it arrived on time 64% of the time (230 flights), in line with other DL flights on the route at that hour (61%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 35 | 51% |
| Tuesday | 34 | 53% |
| Wednesday | 34 | 59% |
| Thursday | 34 | 68% |
| Friday | 34 | 74% |
| Saturday | 25 | 80% |
| Sunday | 34 | 68% |
Why it was late
All flights LGA → RDU · Connecting off DL 5109? Check the risk
Questions
How often is DL 5109 from LGA to RDU late?
Delta Air Lines 5109 from New York, NY to Raleigh/Durham, NC arrived 15 or more minutes late, was diverted or was cancelled on 36% of 230 scheduled flights between September 2025 and August 2026. 9.6% 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.