PHL to RDU flight delays

PHL RDU Philadelphia to Raleigh-Durham · 337 miles

7,334 flights were scheduled from PHL to RDU over July 2023 through June 2026. Of the 7,154 that made the trip, 74.9% 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
7,334
Arrived on time
74.9%
Cancelled
2.3%
Scheduled distance
337 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 PHL–RDU, 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
American Airlines 73.1% 84 min 2.1% 3,967
Frontier Airlines 76.4% 77 min 2.2% 2,035
PSA Airlines 74.8% 77 min 3.3% 981
Republic Airways 86.6% 70 min 2% 351

Month by month

July was the month to avoid on PHL–RDU: 60.3% of flights arrived on time, against 81.7% in November. Each bar pools three years of that calendar month.

Share of flights that arrived on time, by calendar month. Best month in green, worst in amber. The hairline sits at the overall rate, 74.9%.
Arrival on-time share, PHL to RDU, by calendar month
Month Share flights that arrived on time Flights
January 73.9% 530
February 77.9% 503
March 78.1% 582
April 80.5% 625
May 78.2% 688
June 70.3% 688
July 60.3% 617
August 65% 633
September 78.2% 639
October 79.1% 703
November 81.7% 585
December 74.4% 541

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.

PHL to RDU in one number

PHL → RDU

When a flight on this route was late, it was late by about 81 min.

July 2023–June 2026 · 7,334 flights

74.9% of flights arrived on time

Questions about PHL to RDU

Which airline is most reliable from PHL to RDU?
Republic Airways — its flights on this pairing arrived on time 86.6% of the time, with 351 scheduled. American Airlines came in at 73.1% over 3,967 scheduled. Airlines with fewer than 100 flights on the route are not rated.
What is the worst month to fly PHL to RDU?
July, at 60.3% of arrivals on time, with 617 flights scheduled. November was the best of the year at 81.7%.
How late are PHL–RDU flights when they are late?
81 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 PHL to RDU flight cancelled?
2.3% 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 RDU 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.