SkyWest Airlines is the most reliable airline on the SLC to AUS route with a 83% on-time rate, compared to Southwest Airlines at 78%. Based on 351 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: SLC to AUS
Salt Lake City to Austin — airline reliability comparison
On-Time Rate by Airline
SkyWest Airlines83%
Delta Air Lines81%
Southwest Airlines78%
SLC to AUS Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| SkyWest AirlinesOOBest | 83% | 0.4% | 44m | 351 |
| Delta Air LinesDL | 81% | 0.5% | 68m | 4,120 |
| Southwest AirlinesWNWorst | 78% | 0.4% | 50m | 1,637 |
Route Overview
80%
Overall On-Time
61m
Avg Delay
0.5%
Cancel Rate
6,130
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.