Flight Check

Best Airline: SAT to SFO

San Antonio to San Francisco — airline reliability comparison

United Airlines is the most reliable airline on the SAT to SFO route with a 89% on-time rate, compared to SkyWest Airlines at 80%. Based on 693 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 Airlines89%
SkyWest Airlines80%

SAT to SFO Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
United AirlinesUABest89%0.7%100m693
SkyWest AirlinesOOWorst80%0.5%91m760

Route Overview

86%
Overall On-Time
97m
Avg Delay
0.7%
Cancel Rate
1,515
Total Flights
SAT to SFO Route DetailsReturn: SFO to SAT
SAT AirportSFO Airport

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