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Route · RDU → PHL · 2020–2025 BTS data

Raleigh/Durham to Philadelphia

The RDU–PHL corridor (Raleigh/Durham, NC → Philadelphia, PA) runs behind the national average, served by 32 carriers across roughly 337 miles.

Data updated 2026-06-13

78%
On-time
-1 pts
vs US avg
98 min
Delay when late
11,684
Flights

Cancelled

2.3%

Best Month

Feb 2024 87%

Worst Month

Jul 2025 61%

Distance

337 mi

Carriers

32

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 197 69 7 0 YX,OH,F9,AA
Nov 2025 193 55 2 0 F9,OH,AA
Oct 2025 245 63 2 2 AA,OH,YX,F9
Sep 2025 207 45 1 0 F9,AA
Aug 2025 201 75 4 0 AA,F9
Jul 2025 219 85 19 0 AA,OH,F9
Jun 2025 211 74 2 2 AA,OH,F9
May 2025 232 77 4 0 AA,OH,F9
Apr 2025 219 60 1 0 F9,OH,AA
Mar 2025 196 47 2 1 AA,OH,F9
Feb 2025 165 43 9 0 AA,OH,F9
Jan 2025 171 37 6 0 AA,OH,YX,F9
Dec 2024 190 47 0 0 AA,F9,OH,YX
Nov 2024 207 38 0 0 YX,OH,F9,AA
Oct 2024 245 54 2 0 F9,AA,OH
Sep 2024 226 56 5 0 OH,AA,F9
Aug 2024 241 78 13 0 AA,F9
Jul 2024 220 74 11 0 AA,F9
Jun 2024 226 68 8 0 AA,F9,OH,YX
May 2024 208 46 4 0 AA,F9,OH,YX
Apr 2024 170 37 2 0 AA,F9,OH,YX
Mar 2024 190 43 1 0 AA,F9,OH,YX
Feb 2024 159 20 1 0 AA,F9,OH,YX
Jan 2024 166 26 7 0 AA,F9,YX

Cancellation Rate

2.3%

113 of 4,904 flights

Diversion Rate

0.1%

5 of 4,904 flights

What the Data Says About RDU to PHL

The Raleigh/Durham to Philadelphia corridor (RDU to PHL) posts a 78% on-time rate on the lower edge of the average band, based on 11,684 tracked flights. Late flights run 98.4 minutes behind on average. 32 carriers cover the 337-mile route; over the last 24 months, 113 of 4,904 flights were cancelled (2.3%) and 0.1% diverted.

The monthly split is wide on this route: Feb 2024 posted the strongest performance at 87% on-time, while Jul 2025 came in at just 61% - a 26-point swing worth factoring into travel timing.

Frequently Asked Questions

How often are flights delayed from RDU to PHL?
Flights from Raleigh/Durham to Philadelphia have a 78% on-time rate based on 11,684 flights. The average delay is 98.4 minutes. The best recent month was Feb 2024 with 87% on-time.
What is the cancellation rate for RDU to PHL?
Over the last 24 months, 2.3% of flights on this route were cancelled (113 of 4,904 flights) and 0.1% were diverted.
How far is the flight from RDU to PHL?
The flight distance from Raleigh/Durham (RDU) to Philadelphia (PHL) is approximately 337 miles. This route is served by 32 carriers.
When is the best time to fly from RDU to PHL?
The best recent month for on-time performance was Feb 2024 (87% on-time). The worst was Jul 2025 (61% on-time). Consider booking during months with historically better performance.

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Data source

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights Editorial

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.