Flight Check

Best Airline: CLE to STL

Cleveland to St. Louis — airline reliability comparison

Southwest Airlines is the most reliable airline on the CLE to STL route with a 85% on-time rate. Based on 2,507 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

Southwest Airlines85%

CLE to STL Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
Southwest AirlinesWNBest85%0.6%55m2,507

Route Overview

86%
Overall On-Time
56m
Avg Delay
0.6%
Cancel Rate
2,507
Total Flights
CLE to STL Route DetailsReturn: STL to CLE
CLE AirportSTL Airport

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