Flight Check

Best Airline: LAX to STL

Los Angeles to St. Louis — airline reliability comparison

Southwest Airlines is the most reliable airline on the LAX to STL route with a 80% on-time rate, compared to American Airlines at 75%. Based on 2,621 flights tracked.

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

Source: Bureau of Transportation Statistics. Updated October 2026.

On-Time Rate by Airline

Southwest Airlines80%
SkyWest Airlines79%
American Airlines75%

LAX to STL Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
Southwest AirlinesWNBest80%0.4%47m2,621
SkyWest AirlinesOO79%0.7%65m411
American AirlinesAAWorst75%1.3%107m833

Route Overview

79%
Overall On-Time
62m
Avg Delay
0.6%
Cancel Rate
3,870
Total Flights
LAX to STL Route DetailsReturn: STL to LAX
LAX AirportSTL Airport

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