Flight Check

Best Airline: BWI to LAX

Baltimore to Los Angeles — airline reliability comparison

United Airlines is the most reliable airline on the BWI to LAX route with a 88% on-time rate, compared to Southwest Airlines at 70%. Based on 1,804 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

United Airlines88%
Spirit Airlines77%
Southwest Airlines70%

BWI to LAX Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
United AirlinesUABest88%1.8%60m1,804
Spirit AirlinesNK77%1.6%58m1,267
Southwest AirlinesWNWorst70%0.9%50m2,930

Route Overview

76%
Overall On-Time
56m
Avg Delay
1.3%
Cancel Rate
6,015
Total Flights
BWI to LAX Route DetailsReturn: LAX to BWI
BWI AirportLAX Airport

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