Flight Check

Best Airline: TUS to SFO

Tucson to San Francisco — airline reliability comparison

United Airlines is the most reliable airline on the TUS to SFO route with a 79% on-time rate, compared to SkyWest Airlines at 76%. Based on 121 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 Airlines79%
SkyWest Airlines76%

TUS to SFO Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
United AirlinesUABest79%2.3%94m121
SkyWest AirlinesOOWorst76%0.7%78m3,187

Route Overview

75%
Overall On-Time
81m
Avg Delay
0.8%
Cancel Rate
3,316
Total Flights
TUS to SFO Route DetailsReturn: SFO to TUS
TUS AirportSFO Airport

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