Flight Check

Best Airline: LAS to HOU

Las Vegas to Houston — airline reliability comparison

Southwest Airlines is the most reliable airline on the LAS to HOU route with a 76% on-time rate, compared to Frontier Airlines at 61%. Based on 7,238 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 Airlines76%
Frontier Airlines61%

LAS to HOU Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
Southwest AirlinesWNBest76%0.6%49m7,238
Frontier AirlinesF9Worst61%0.0%51m130

Route Overview

76%
Overall On-Time
49m
Avg Delay
0.6%
Cancel Rate
7,368
Total Flights
LAS to HOU Route DetailsReturn: HOU to LAS
LAS AirportHOU Airport

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