Southwest Airlines is the most reliable airline on the MDW to SLC route with a 76% on-time rate. Based on 2,381 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: MDW to SLC
Chicago to Salt Lake City — airline reliability comparison
On-Time Rate by Airline
Southwest Airlines76%
MDW to SLC Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Southwest AirlinesWNBest | 76% | 1.2% | 50m | 2,381 |
Route Overview
76%
Overall On-Time
51m
Avg Delay
1.3%
Cancel Rate
2,381
Total Flights
Flying out of MDW? 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.