Flight Check

Best Airline: BWI to LAS

Baltimore to Las Vegas — airline reliability comparison

Spirit Airlines is the most reliable airline on the BWI to LAS route with a 81% on-time rate, compared to Frontier Airlines at 63%. Based on 1,363 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

Spirit Airlines81%
Southwest Airlines75%
Frontier Airlines63%

BWI to LAS Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
Spirit AirlinesNKBest81%0.7%62m1,363
Southwest AirlinesWN75%0.8%55m5,302
Frontier AirlinesF9Worst63%0.0%65m130

Route Overview

77%
Overall On-Time
57m
Avg Delay
0.8%
Cancel Rate
6,797
Total Flights
BWI to LAS Route DetailsReturn: LAS to BWI
BWI AirportLAS Airport

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