Flight Check

Best Airline: LAS to PHX

Las Vegas to Phoenix — airline reliability comparison

American Airlines is the most reliable airline on the LAS to PHX route with a 82% on-time rate, compared to Frontier Airlines at 75%. Based on 6,407 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

American Airlines82%
Spirit Airlines80%
Southwest Airlines77%
SkyWest Airlines75%
Frontier Airlines75%

LAS to PHX Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
American AirlinesAABest82%0.5%89m6,407
Spirit AirlinesNK80%1.6%52m1,182
Southwest AirlinesWN77%1.1%51m12,917
SkyWest AirlinesOO75%0.0%53m12
Frontier AirlinesF9Worst75%0.9%89m3,371

Route Overview

78%
Overall On-Time
66m
Avg Delay
1%
Cancel Rate
23,911
Total Flights
LAS to PHX Route DetailsReturn: PHX to LAS
LAS AirportPHX Airport

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