Flight Check

Best Airline: SFO to SAT

San Francisco to San Antonio — airline reliability comparison

SkyWest Airlines is the most reliable airline on the SFO to SAT route with a 85% on-time rate, compared to United Airlines at 82%. Based on 769 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

SkyWest Airlines85%
United Airlines82%

SFO to SAT Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
SkyWest AirlinesOOBest85%0.1%58m769
United AirlinesUAWorst82%0.7%64m700

Route Overview

84%
Overall On-Time
64m
Avg Delay
0.5%
Cancel Rate
1,514
Total Flights
SFO to SAT Route DetailsReturn: SAT to SFO
SFO AirportSAT Airport

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