Flight Check

Best Airline: SFO to TUS

San Francisco to Tucson — airline reliability comparison

SkyWest Airlines is the most reliable airline on the SFO to TUS route with a 83% on-time rate, compared to United Airlines at 78%. Based on 3,186 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 Airlines83%
United Airlines78%

SFO to TUS Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
SkyWest AirlinesOOBest83%0.4%63m3,186
United AirlinesUAWorst78%1.8%81m121

Route Overview

83%
Overall On-Time
64m
Avg Delay
0.5%
Cancel Rate
3,315
Total Flights
SFO to TUS Route DetailsReturn: TUS to SFO
SFO AirportTUS Airport

Flying out of SFO? We'll brief you.

Delays, TSA, weather, gates — we'll let you know if something matters.

Free. No account needed.

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