Flight Check

Best Airline: PHL to CHS

Philadelphia to Charleston — airline reliability comparison

Republic Airways is the most reliable airline on the PHL to CHS route with a 87% on-time rate, compared to Spirit Airlines at 73%. Based on 433 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%
American Airlines78%
PSA Airlines77%
Frontier Airlines75%
Spirit Airlines73%

PHL to CHS Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
Republic AirwaysYXBest87%0.9%52m433
American AirlinesAA78%1.8%80m2,921
PSA AirlinesOH77%2.9%81m595
Frontier AirlinesF975%1.3%95m245
Spirit AirlinesNKWorst73%3.9%79m209

Route Overview

78%
Overall On-Time
79m
Avg Delay
2%
Cancel Rate
4,615
Total Flights
PHL to CHS Route DetailsReturn: CHS to PHL
PHL AirportCHS Airport

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