SkyWest Airlines is the most reliable airline on the SLC to TUS route with a 91% on-time rate, compared to Frontier Airlines at 90%. Based on 3,902 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: SLC to TUS
Salt Lake City to Tucson — airline reliability comparison
On-Time Rate by Airline
SkyWest Airlines91%
Frontier Airlines90%
SLC to TUS Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| SkyWest AirlinesOOBest | 91% | 0.1% | 48m | 3,902 |
| Frontier AirlinesF9Worst | 90% | 0.0% | 58m | 10 |
Route Overview
91%
Overall On-Time
49m
Avg Delay
0.1%
Cancel Rate
3,929
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.