Allegiant Air is the most reliable airline on the PHX to TYS route with a 80% on-time rate. Based on 116 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: PHX to TYS
Phoenix to Knoxville — airline reliability comparison
On-Time Rate by Airline
Allegiant Air80%
PHX to TYS Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Allegiant AirG4Best | 80% | 0.0% | 108m | 116 |
Route Overview
80%
Overall On-Time
99m
Avg Delay
0%
Cancel Rate
116
Total Flights
Flying out of PHX? 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.