Allegiant Air is the most reliable airline on the AUS to TYS route with a 68% on-time rate. Based on 67 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: AUS to TYS
Austin to Knoxville — airline reliability comparison
On-Time Rate by Airline
Allegiant Air68%
AUS to TYS Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Allegiant AirG4Best | 68% | 0.0% | 61m | 67 |
Route Overview
67%
Overall On-Time
60m
Avg Delay
0%
Cancel Rate
67
Total Flights
Flying out of AUS? We'll brief you.
Delays, TSA, weather, gates — we'll let you know if something matters.
Data last updated October 2026. Source: Bureau of Transportation Statistics.