Southwest Airlines is the most reliable airline on the SLC to BNA route with a 87% on-time rate, compared to Delta Air Lines at 86%. Based on 407 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: SLC to BNA
Salt Lake City to Nashville — airline reliability comparison
On-Time Rate by Airline
Southwest Airlines87%
Delta Air Lines86%
SLC to BNA Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Southwest AirlinesWNBest | 87% | 0.9% | 37m | 407 |
| Delta Air LinesDLWorst | 86% | 0.7% | 63m | 3,183 |
Route Overview
86%
Overall On-Time
61m
Avg Delay
0.6%
Cancel Rate
3,723
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.