Flight Check

Best Airline: HOU to LAS

Houston to Las Vegas — airline reliability comparison

Southwest Airlines is the most reliable airline on the HOU to LAS route with a 81% on-time rate, compared to Frontier Airlines at 53%. Based on 7,195 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 Airlines81%
Frontier Airlines53%

HOU to LAS Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
Southwest AirlinesWNBest81%0.6%52m7,195
Frontier AirlinesF9Worst53%0.0%71m130

Route Overview

80%
Overall On-Time
53m
Avg Delay
0.6%
Cancel Rate
7,325
Total Flights
HOU to LAS Route DetailsReturn: LAS to HOU
HOU AirportLAS Airport

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