Allegiant Air is the most reliable airline on the FLL to GSP route with a 55% on-time rate. Based on 193 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: FLL to GSP
Fort Lauderdale to Greenville — airline reliability comparison
On-Time Rate by Airline
Allegiant Air55%
FLL to GSP Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Allegiant AirG4Best | 55% | 2.7% | 80m | 193 |
Route Overview
53%
Overall On-Time
77m
Avg Delay
2.6%
Cancel Rate
193
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.