Flight Check

Best Airline: PHX to LAX

Phoenix to Los Angeles — airline reliability comparison

is the most reliable airline on the PHX to LAX route with a 98% on-time rate, compared to Southwest Airlines at 76%. Based on 173 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

98%
Delta Air Lines96%
SkyWest Airlines90%
United Airlines89%
Frontier Airlines87%
American Airlines81%
Southwest Airlines76%

PHX to LAX Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
MQBest98%0.0%37m173
Delta Air LinesDL96%0.7%138m131
SkyWest AirlinesOO90%0.3%62m7,716
United AirlinesUA89%0.9%68m1,984
Frontier AirlinesF987%0.6%73m1,175
American AirlinesAA81%0.3%62m6,941
Southwest AirlinesWNWorst76%0.3%47m7,574

Route Overview

83%
Overall On-Time
59m
Avg Delay
0.4%
Cancel Rate
25,730
Total Flights
PHX to LAX Route DetailsReturn: LAX to PHX
PHX AirportLAX Airport

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