Flight Check

Best Airline: PHL to RDU

Philadelphia to Raleigh — airline reliability comparison

Republic Airways is the most reliable airline on the PHL to RDU route with a 87% on-time rate, compared to American Airlines at 75%. Based on 324 flights tracked.

This route involves weather-prone airports, which can affect reliability regardless of airline.

Source: Bureau of Transportation Statistics. Updated October 2026.

On-Time Rate by Airline

Republic Airways87%
Frontier Airlines77%
PSA Airlines76%
American Airlines75%

PHL to RDU Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
Republic AirwaysYXBest87%2.0%57m324
Frontier AirlinesF977%2.3%76m2,285
PSA AirlinesOH76%3.7%74m1,046
American AirlinesAAWorst75%1.9%81m4,656

Route Overview

75%
Overall On-Time
81m
Avg Delay
2.3%
Cancel Rate
8,390
Total Flights
PHL to RDU Route DetailsReturn: RDU to PHL
PHL AirportRDU Airport

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Data last updated October 2026. Source: Bureau of Transportation Statistics.