PIE to GSP flight delays & on-time performance
Nonstop flights from St. Petersburg Clearwater International Airport to Greenville-Spartanburg International Airport · 482 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at PIE or GSP right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from St. Petersburg (PIE) to Greer (GSP) arrived on time 63% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 0% were cancelled, and 8% arrived an hour or more late.
- Allegiant Air is the only airline reporting nonstop flights on this route.
- Departures scheduled around 7pm did best (81% on time); around 1pm did worst (57%).
- Monday was the most reliable day to fly (71% on time) and Sunday the least (52%).
- The largest source of delay minutes was late-arriving aircraft (45%).
Which airline is most on time from PIE to GSP?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Allegiant Air | 63% | 0.0% | 19 min | 8.4% | 131 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 12pm64%39 flights
- 1pm57%60 flights
- 7pm81%16 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday71%0.0% cancelled
- Wednesday100%0.0% cancelled
- Thursday60%0.0% cancelled
- Friday65%0.0% cancelled
- Saturday33%0.0% cancelled
- Sunday52%0.0% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft45%
- Air traffic control & airport congestion27%
- Airline (crew, maintenance, cleaning, fueling)19%
- Extreme weather9%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
No cancellation causes recorded in this period.
PIE to GSP: common questions
- How often are PIE to GSP flights on time?
- 63% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from St. Petersburg to Greer cancelled?
- 0.0% of scheduled flights were cancelled (0 of 131).
- How long are typical delays?
- Across all flights the average arrival delay was 19 min (early arrivals count as zero). Flights that were late arrived 47 min behind schedule on average, and 8.4% of flights were an hour or more late.
- How long is taxi time at PIE?
- Flights on this route spent 17 min taxiing from the gate to takeoff on average.
Related routes
Return trip: GSP to PIE — 54% on time
More flights from St. Petersburg
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: PIE → GSP, nonstop flights by US airlines that report to the DOT. How we calculate this.