SkyWest Airlines is the most reliable airline on the SJC to SLC route with a 94% on-time rate, compared to Southwest Airlines at 85%. Based on 1,774 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: SJC to SLC
San Jose to Salt Lake City — airline reliability comparison
On-Time Rate by Airline
SkyWest Airlines94%
Delta Air Lines91%
Southwest Airlines85%
SJC to SLC Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| SkyWest AirlinesOOBest | 94% | 0.0% | 59m | 1,774 |
| Delta Air LinesDL | 91% | 0.7% | 96m | 3,732 |
| Southwest AirlinesWNWorst | 85% | 0.2% | 53m | 993 |
Route Overview
91%
Overall On-Time
86m
Avg Delay
0.4%
Cancel Rate
6,525
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.