Allegiant Air is the most reliable airline on the TYS to PHX route with a 83% on-time rate. Based on 116 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: TYS to PHX
Knoxville to Phoenix — airline reliability comparison
On-Time Rate by Airline
Allegiant Air83%
TYS to PHX Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Allegiant AirG4Best | 83% | 0.0% | 100m | 116 |
Route Overview
83%
Overall On-Time
92m
Avg Delay
0%
Cancel Rate
116
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.