Frontier Airlines is the most reliable airline on the TUS to SLC route with a 100% on-time rate, compared to SkyWest Airlines at 94%. Based on 10 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: TUS to SLC
Tucson to Salt Lake City — airline reliability comparison
On-Time Rate by Airline
Frontier Airlines100%
SkyWest Airlines94%
TUS to SLC Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Frontier AirlinesF9Best | 100% | 10.0% | 0m | 10 |
| SkyWest AirlinesOOWorst | 94% | 0.1% | 73m | 3,902 |
Route Overview
94%
Overall On-Time
73m
Avg Delay
0.1%
Cancel Rate
3,929
Total Flights
Flying out of TUS? We'll brief you.
Delays, TSA, weather, gates — we'll let you know if something matters.
Data last updated October 2026. Source: Bureau of Transportation Statistics.