PHL to RDU flight delays & on-time performance
Nonstop flights from Philadelphia International Airport to Raleigh-Durham International Airport · 337 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at PHL or RDU right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Philadelphia (PHL) to Raleigh/Durham (RDU) arrived on time 75% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 2.7% were cancelled, and 11% arrived an hour or more late.
- Republic Airways was the most punctual airline here (82% on time); PSA Airlines was the least (72%).
- Departures scheduled around 8am did best (87% on time); around 4pm did worst (64%).
- Tuesday was the most reliable day to fly (80% on time) and Monday the least (70%).
- The largest source of delay minutes was late-arriving aircraft (54%).
Which airline is most on time from PHL to RDU?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Republic AirwaysRegional airline operating flights for American Eagle, Delta Connection and United Express. | 82% | 3.2% | 14 min | 8.0% | 219 |
| Frontier Airlines | 80% | 2.7% | 15 min | 7.2% | 600 |
| American Airlines | 72% | 1.9% | 22 min | 12.2% | 1,078 |
| PSA AirlinesRegional airline operating American Eagle flights. | 72% | 3.7% | 25 min | 13.1% | 705 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 6am81%108 flights
- 7am86%148 flights
- 8am87%164 flights
- 9am72%168 flights
- 10am84%215 flights
- 11am69%88 flights
- 12pm83%162 flights
- 1pm72%241 flights
- 2pm79%147 flights
- 3pm66%166 flights
- 4pm64%187 flights
- 5pm67%151 flights
- 6pm74%97 flights
- 7pm68%200 flights
- 8pm64%128 flights
- 9pm79%93 flights
- 10pm73%113 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday70%3.2% cancelled
- Tuesday80%2.0% cancelled
- Wednesday80%2.4% cancelled
- Thursday74%1.8% cancelled
- Friday76%1.7% cancelled
- Saturday74%3.3% cancelled
- Sunday71%4.5% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft54%
- Airline (crew, maintenance, cleaning, fueling)27%
- Air traffic control & airport congestion14%
- Extreme weather5%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather80%
- Airline (crew, maintenance, cleaning, fueling)14%
- Air traffic control & airport congestion6%
- Security0%
PHL to RDU: common questions
- How often are PHL to RDU flights on time?
- 75% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Philadelphia to Raleigh/Durham cancelled?
- 2.7% of scheduled flights were cancelled (70 of 2,602).
- How long are typical delays?
- Across all flights the average arrival delay was 21 min (early arrivals count as zero). Flights that were late arrived 78 min behind schedule on average, and 11.0% of flights were an hour or more late.
- How long is taxi time at PHL?
- Flights on this route spent 21 min taxiing from the gate to takeoff on average.
Related routes
Return trip: RDU to PHL — 74% on time
More flights from Philadelphia
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: PHL → RDU, nonstop flights by US airlines that report to the DOT. How we calculate this.