Southwest Airlines is the most reliable airline on the BNA to TYS route with a 72% on-time rate. Based on 298 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: BNA to TYS
Nashville to Knoxville — airline reliability comparison
On-Time Rate by Airline
Southwest Airlines72%
BNA to TYS Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Southwest AirlinesWNBest | 72% | 0.4% | 51m | 298 |
Route Overview
72%
Overall On-Time
50m
Avg Delay
0.3%
Cancel Rate
298
Total Flights
Flying out of BNA? We'll brief you.
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Data last updated October 2026. Source: Bureau of Transportation Statistics.