Allegiant Air is the most reliable airline on the GSP to PIE route with a 65% on-time rate. Based on 156 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: GSP to PIE
Greenville to St. Petersburg — airline reliability comparison
On-Time Rate by Airline
Allegiant Air65%
GSP to PIE Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Allegiant AirG4Best | 65% | 2.2% | 82m | 156 |
Route Overview
62%
Overall On-Time
78m
Avg Delay
1.9%
Cancel Rate
156
Total Flights
Flying out of GSP? 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.