Allegiant Air is the most reliable airline on the SFB to TYS route with a 69% on-time rate. Based on 2,172 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: SFB to TYS
Sanford to Knoxville — airline reliability comparison
On-Time Rate by Airline
Allegiant Air69%
SFB to TYS Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Allegiant AirG4Best | 69% | 0.9% | 68m | 2,172 |
Route Overview
69%
Overall On-Time
69m
Avg Delay
1%
Cancel Rate
2,172
Total Flights
Flying out of SFB? 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.