Route
PIE → GSP
St. Petersburg Clearwater International Airport Greenville-Spartanburg International Airport
482 miles
Return route GSP → PIE →
How punctual is this route?
- On-time arrivals
- 62.1%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 55 min
- Flights arriving 15+ minutes late
- Flights tracked
- 132
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 39%
- Air traffic control & airport 25%
- Airline (crew, maintenance, cleaning) 21%
- Extreme weather 15%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Sep 2025
Aug 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 77.8% | 9 |
| October 2025 | 66.7% | 9 |
| November 2025 | 80.0% | 10 |
| December 2025 | 58.3% | 12 |
| January 2026 | 77.8% | 9 |
| February 2026 | 75.0% | 8 |
| March 2026 | 55.6% | 9 |
| April 2026 | 88.9% | 9 |
| May 2026 | 50.0% | 12 |
| June 2026 | 41.2% | 17 |
| July 2026 | 50.0% | 18 |
| August 2026 | 60.0% | 10 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| Allegiant Air | 132 | 62.1% | 0.0% | 55 min |
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