Flight Check

Best Airline: SLC to LAX

Salt Lake City to Los Angeles — airline reliability comparison

United Airlines is the most reliable airline on the SLC to LAX route with a 92% on-time rate, compared to Southwest Airlines at 75%. Based on 148 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

United Airlines92%
SkyWest Airlines89%
Frontier Airlines88%
Delta Air Lines85%
JetBlue Airways78%
Spirit Airlines76%
Southwest Airlines75%

SLC to LAX Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
United AirlinesUABest92%0.0%38m148
SkyWest AirlinesOO89%0.0%65m2,599
Frontier AirlinesF988%1.7%62m652
Delta Air LinesDL85%0.5%57m8,832
JetBlue AirwaysB678%0.6%88m1,120
Spirit AirlinesNK76%1.0%60m792
Southwest AirlinesWNWorst75%0.2%49m1,377

Route Overview

84%
Overall On-Time
61m
Avg Delay
0.5%
Cancel Rate
15,536
Total Flights
SLC to LAX Route DetailsReturn: LAX to SLC
SLC AirportLAX Airport

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