About 1 in 4 DL 5273 flights from Raleigh arrived 15+ minutes late, diverted or cancelled over the past year (28%); 3.4% were cancelled. The typical flight landed 4 minutes early.
DL 5273: RDU → EWR
Scheduled to leave Raleigh at 11:35 a.m. local time, operated by Endeavor Air as 9E 5273. Over the past year it arrived on time 72% of the time (298 flights), in line with other DL flights on the route at that hour (70%). Last seen in the data Aug 30, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 51 | 73% |
| Tuesday | 51 | 71% |
| Wednesday | 49 | 71% |
| Thursday | 48 | 77% |
| Friday | 50 | 72% |
| Saturday | 4 | — |
| Sunday | 45 | 67% |
Why it was late
All flights RDU → EWR · Connecting off DL 5273? Check the risk
Questions
How often is DL 5273 from RDU to EWR late?
Delta Air Lines 5273 from Raleigh/Durham, NC to Newark, NJ arrived 15 or more minutes late, was diverted or was cancelled on 28% of 298 scheduled flights between September 2025 and August 2026. 3.4% 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.