Flight Check

Best Airline: ORD to RSW

Chicago to Fort Myers — airline reliability comparison

United Airlines is the most reliable airline on the ORD to RSW route with a 84% on-time rate, compared to Spirit Airlines at 73%. Based on 5,297 flights tracked.

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

Source: Bureau of Transportation Statistics. Updated October 2026.

On-Time Rate by Airline

United Airlines84%
American Airlines78%
Southwest Airlines74%
Frontier Airlines73%
Spirit Airlines73%

ORD to RSW Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
United AirlinesUABest84%1.2%68m5,297
American AirlinesAA78%1.3%69m3,184
Southwest AirlinesWN74%2.7%49m318
Frontier AirlinesF973%1.3%94m72
Spirit AirlinesNKWorst73%2.4%73m1,409

Route Overview

79%
Overall On-Time
69m
Avg Delay
1.5%
Cancel Rate
10,360
Total Flights
ORD to RSW Route DetailsReturn: RSW to ORD
ORD AirportRSW Airport

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