Flight Check

Best Airline: SMF to LAX

Sacramento to Los Angeles — airline reliability comparison

Delta Air Lines is the most reliable airline on the SMF to LAX route with a 97% on-time rate, compared to Southwest Airlines at 81%. Based on 145 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

Delta Air Lines97%
United Airlines93%
SkyWest Airlines90%
Frontier Airlines83%
Southwest Airlines81%

SMF to LAX Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
Delta Air LinesDLBest97%0.7%33m145
United AirlinesUA93%0.0%70m195
SkyWest AirlinesOO90%0.2%78m11,656
Frontier AirlinesF983%1.7%66m421
Southwest AirlinesWNWorst81%0.3%49m6,348

Route Overview

87%
Overall On-Time
63m
Avg Delay
0.3%
Cancel Rate
18,822
Total Flights
SMF to LAX Route DetailsReturn: LAX to SMF
SMF AirportLAX Airport

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