Allegiant Air is the most reliable airline on the SFB to SDF route with a 66% on-time rate. Based on 311 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: SFB to SDF
Sanford to Louisville — airline reliability comparison
On-Time Rate by Airline
Allegiant Air66%
SFB to SDF Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Allegiant AirG4Best | 66% | 1.2% | 87m | 311 |
Route Overview
67%
Overall On-Time
87m
Avg Delay
1.3%
Cancel Rate
311
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.