Delta Air Lines is the most reliable airline on the MKE to SLC route with a 89% on-time rate, compared to SkyWest Airlines at 78%. Based on 1,020 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: MKE to SLC
Milwaukee to Salt Lake City — airline reliability comparison
On-Time Rate by Airline
Delta Air Lines89%
SkyWest Airlines78%
MKE to SLC Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Delta Air LinesDLBest | 89% | 0.6% | 95m | 1,020 |
| SkyWest AirlinesOOWorst | 78% | 0.8% | 59m | 84 |
Route Overview
89%
Overall On-Time
95m
Avg Delay
0.6%
Cancel Rate
1,125
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.