Southwest Airlines is the most reliable airline on the DAL to SLC route with a 77% on-time rate. Based on 2,500 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: DAL to SLC
Dallas to Salt Lake City — airline reliability comparison
On-Time Rate by Airline
Southwest Airlines77%
DAL to SLC Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Southwest AirlinesWNBest | 77% | 1.0% | 50m | 2,500 |
Route Overview
76%
Overall On-Time
50m
Avg Delay
1.1%
Cancel Rate
2,500
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.