Allegiant Air is the most reliable airline on the TYS to AUS route with a 75% on-time rate. Based on 67 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: TYS to AUS
Knoxville to Austin — airline reliability comparison
On-Time Rate by Airline
Allegiant Air75%
TYS to AUS Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Allegiant AirG4Best | 75% | 0.0% | 84m | 67 |
Route Overview
75%
Overall On-Time
81m
Avg Delay
0%
Cancel Rate
67
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.