Flight Check

Best Airline: SMF to SFO

Sacramento to San Francisco — airline reliability comparison

United Airlines is the most reliable airline on the SMF to SFO route with a 95% on-time rate, compared to SkyWest Airlines at 76%. Based on 71 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 Airlines95%
SkyWest Airlines76%

SMF to SFO Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
United AirlinesUABest95%0.0%61m71
SkyWest AirlinesOOWorst76%1.3%82m3,945

Route Overview

76%
Overall On-Time
81m
Avg Delay
1.3%
Cancel Rate
4,041
Total Flights
SMF to SFO Route DetailsReturn: SFO to SMF
SMF AirportSFO Airport

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