BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
PHL→RDU

Philadelphia, PA (PHL) to Raleigh/Durham, NC (RDU) flight delay odds

72.8% of 2,560 official scheduled PHL-to-RDU flights arrived on time; 18.2% arrived at least 30 minutes late and 2.8% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALVariable
72.8%arrived on time
18.2%30+ min late
2.8%cancelled
2,560scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late10.4%all scheduled flights
120+ minutes late4.6%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+11.0 mincompleted flights

Which departure time was most reliable for PHL to RDU?

Among qualifying PHL-to-RDU departure window results, Early morning had the highest on-time rate: 83.2% of 399 flights. Evening was lowest at 66.0% across 526 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning39983.2%11.0%1.5%
Late morning52277.2%16.1%1.9%
Afternoon90670.5%20.6%2.1%
Evening52666.0%21.7%4.6%
Night20769.1%17.4%5.8%

Which weekday was most reliable for PHL to RDU?

Among qualifying PHL-to-RDU weekday results, Tuesday had the highest on-time rate: 79.0% of 348 flights. Sunday was lowest at 66.8% across 392 flights.

DayFlightsOn time30+ minCancelled
Monday40269.9%19.7%3.5%
Tuesday34879.0%14.7%1.4%
Wednesday33877.2%14.2%2.4%
Thursday38071.1%21.8%2.1%
Friday40774.2%17.0%1.7%
Saturday29372.7%17.7%2.7%
Sunday39266.8%21.2%5.4%

Which airline was most reliable for PHL to RDU?

Among qualifying PHL-to-RDU airline results, Republic Airways had the highest on-time rate: 80.5% of 215 flights. American Airlines was lowest at 69.5% across 1,105 flights.

AirlineFlightsOn time30+ minCancelled
American Airlines1,10569.5%20.9%2.4%
PSA Airlines65570.4%20.2%3.5%
Frontier Airlines58579.0%13.3%2.6%
Republic Airways21580.5%11.2%3.3%

Which month was most reliable for PHL to RDU?

Among qualifying PHL-to-RDU month results, May 2026 had the highest on-time rate: 85.0% of 247 flights. July 2025 was lowest at 59.4% across 219 flights.

MonthFlightsOn time30+ minCancelled
July 202521959.4%26.5%7.3%
August 202520164.7%27.9%0.5%
September 202520782.1%12.6%0.0%
October 202524473.8%18.9%0.4%
November 202519174.3%17.8%0.5%
December 202519759.4%27.4%2.0%
January 202619469.1%19.1%7.2%
February 202617973.7%15.1%7.3%
March 202619674.0%16.3%4.1%
April 202623584.7%10.6%0.0%
May 202624785.0%10.5%0.8%
June 202625070.0%17.6%4.4%

What drove PHL to RDU delay minutes?

Late aircraft was the largest recorded PHL-to-RDU delay category, accounting for 57.3% of 48,449 BTS-attributed delay minutes during July 2025–June 2026.

Airline27.4%
Late aircraft57.3%
National airspace11.4%
Weather3.6%
Security0.2%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.