Southwest Airlines is the most reliable airline on the DAL to TYS route with a 78% on-time rate. Based on 149 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: DAL to TYS
Dallas to Knoxville — airline reliability comparison
On-Time Rate by Airline
Southwest Airlines78%
DAL to TYS Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Southwest AirlinesWNBest | 78% | 0.0% | 55m | 149 |
Route Overview
78%
Overall On-Time
56m
Avg Delay
0%
Cancel Rate
149
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.