Allegiant Air is the most reliable airline on the GSP to FLL route with a 49% on-time rate. Based on 193 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: GSP to FLL
Greenville to Fort Lauderdale — airline reliability comparison
On-Time Rate by Airline
Allegiant Air49%
GSP to FLL Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Allegiant AirG4Best | 49% | 2.7% | 120m | 193 |
Route Overview
49%
Overall On-Time
118m
Avg Delay
2.6%
Cancel Rate
193
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.