RDU to EWR flight delays
RDU EWR Raleigh-Durham to Newark Liberty · 416 miles
6,863 flights were scheduled from RDU to EWR over July 2023 through June 2026. Of the 6,624 that made the trip, 76.1% reached the gate less than 15 minutes behind schedule. These are arrival figures: “on time” means the flight reached the gate less than 15 minutes behind schedule. Arrivals are what decide whether you make the connection, so route and airline pages are scored on them rather than on pushback.
Data through June 2026 · Bureau of Transportation Statistics
The route in brief
- Flights in the window
- 6,863
- Arrived on time
- 76.1%
- Cancelled
- 3.4%
- Scheduled distance
- 416 miles
Cancellations are counted against everything scheduled. Diverted flights are counted with them rather than as very late arrivals, which is why the on-time share and the cancellation rate do not add up to everything that happened.
Airline by airline
Airlines with at least 100 flights on RDU–EWR, busiest first. Same route, same weather, same air traffic — which makes this the fairest comparison on the site.
| Airline | Arrived on time | Typical delay | Cancelled | Flights |
|---|---|---|---|---|
| United Airlines | 75.8% | 99 min | 2.3% | 4,385 |
| Endeavor Air | 76.6% | 72 min | 4% | 1,251 |
| Republic Airways | 82.6% | 73 min | 5% | 973 |
| Spirit Airlines | 53.4% | 86 min | 12.2% | 254 |
Spirit Airlines (through May 2026) and Endeavor Air (through December 2024) stopped filing before June 2026. Their rows cover a shorter run of months than the rest of the table, so their figures are not set against the others anywhere on this page.
Month by month
July was the month to avoid on RDU–EWR: 61.6% of flights arrived on time, against 83.9% in February. Each bar pools three years of that calendar month.
| Month | Share flights that arrived on time | Flights |
|---|---|---|
| January | 82.4% | 495 |
| February | 83.9% | 497 |
| March | 79.6% | 544 |
| April | 82.2% | 567 |
| May | 73.8% | 571 |
| June | 71% | 520 |
| July | 61.6% | 586 |
| August | 72.9% | 581 |
| September | 81.4% | 582 |
| October | 78.4% | 644 |
| November | 74.9% | 684 |
| December | 72.1% | 592 |
Both ends of the route
A route’s record is built out of two airports’ habits. The hour-by-hour grid for each is on its own page.
RDU to EWR in one number
RDU → EWR
When a flight on this route was late, it was late by about 91 min.
Questions about RDU to EWR
- Which airline is most reliable from RDU to EWR?
- Republic Airways — its flights on this pairing arrived on time 82.6% of the time, with 973 scheduled. United Airlines came in at 75.8% over 4,385 scheduled. Airlines with fewer than 100 flights on the route are not rated. Airlines that stopped filing before June 2026 are left out of the ranking — their figures cover a shorter run of months than the rest of the table.
- What is the worst month to fly RDU to EWR?
- July, at 61.6% of arrivals on time, with 586 flights scheduled. February was the best of the year at 83.9%.
- How late are RDU–EWR flights when they are late?
- 91 min on average, counting only the flights that arrived 15 minutes or more behind schedule. The on-time flights are left out of that average on purpose — mixing them in would flatter it.
- How often is the RDU to EWR flight cancelled?
- 3.4% of scheduled flights on this route were cancelled, July 2023 through June 2026. Diverted flights are counted with the cancellations rather than as late arrivals.
- Are these departure or arrival numbers?
- Arrival. A flight counts as on time here if it reached the gate at EWR less than 15 minutes behind schedule. Airport pages score departures instead, because that is the number you can act on when you pick a booking time.