SkyWest Airlines is the most reliable airline on the SLC to BIL route with a 92% on-time rate, compared to Delta Air Lines at 84%. Based on 2,439 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: SLC to BIL
Salt Lake City to Billings — airline reliability comparison
On-Time Rate by Airline
SkyWest Airlines92%
Delta Air Lines84%
SLC to BIL Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| SkyWest AirlinesOOBest | 92% | 0.3% | 49m | 2,439 |
| Delta Air LinesDLWorst | 84% | 0.7% | 79m | 1,319 |
Route Overview
89%
Overall On-Time
68m
Avg Delay
0.5%
Cancel Rate
3,758
Total Flights
Flying out of SLC? We'll brief you.
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Data last updated October 2026. Source: Bureau of Transportation Statistics.