Greenville/Greer/Spartanburg (GSP) to Philadelphia (PHL) flights
Piedmont Airlines, PSA Airlines fly nonstop from Greenville-Spartanburg International Airport to Philadelphia International Airport, with about 26 flights a week in July 2026. The 515-mile flight takes about 1h 45m gate to gate.
- Distance
- 515 mi · 829 km
- Flight time
- 1h 45m
- Airlines
- 2
- Seats filled
- 75%
Airlines flying GSP to PHL
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Piedmont Airlines | 18 | Embraer ERJ-145 | 27,561 | 1h 47m |
| PSA Airlines | 7 | Bombardier CRJ900, Bombardier CRJ700 | 20,946 | 1h 43m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
GSP to PHL flight schedule
6 flight numbers flew this route in August 2026, 3 of them almost daily. The first usually leaves at 7:57am and the last at 3:12pm. Times are local and can change; check with the airline before you book.
| Flight | Departs | Arrives | Days flown in August 2026 | On time (12 months) |
|---|---|---|---|---|
| AA 5427American Airlines · operated by PSA Airlines | 7:57am | 9:49am | 27 | 97% |
| AA 5130American Airlines · operated by PSA Airlines | 8:00am | 9:50am | 4 | 89% |
| AA 5908American Airlines · operated by Piedmont Airlines | 10:37am | 12:32pm | 4 | 88% |
| AA 5954American Airlines · operated by Piedmont Airlines | 10:49am | 12:44pm | 27 | 78% |
| AA 6132American Airlines · operated by Piedmont Airlines | 2:29pm | 4:29pm | 4 | 66% |
| AA 5925American Airlines · operated by Piedmont Airlines | 3:12pm | 5:11pm | 22 | 67% |
Is GSP to PHL on time?
From September 2025 to August 2026, 85% of 1,095 flights arrived within 15 minutes of schedule and 2.5% were cancelled. Flights leaving around 7am were the most punctual (94%), those around 2pm the least (71%). Most delay time was caused by the airline (crew, maintenance, cleaning, fuelling) (42%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| American Airlines | 1,095 | 85% | 16 min | 2.5% |
Airlines as sold: flights operated by regional partners count under the airline on the ticket. Average delay is across all completed flights, early arrivals counted as zero.
On-time arrivals by departure time
| Scheduled departure | Flights | On time, relative | On time |
|---|---|---|---|
| 6am to 7am | 178 | 90% | |
| 7am to 8am | 133 | 94% | |
| 8am to 9am | 34 | 71% | |
| 10am to 11am | 241 | 86% | |
| 11am to 12pm | 82 | 85% | |
| 12pm to 1pm | 23 | 100% | |
| 1pm to 2pm | 29 | 90% | |
| 2pm to 3pm | 91 | 71% | |
| 6pm to 7pm | 246 | 83% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 91 | 4,494 | |
| September 2025 | 94 | 5,284 | |
| October 2025 | 110 | 5,199 | |
| November 2025 | 81 | 3,524 | |
| December 2025 | 84 | 3,874 | |
| January 2026 | 80 | 2,692 | |
| February 2026 | 61 | 2,348 | |
| March 2026 | 60 | 2,804 | |
| April 2026 | 84 | 3,612 | |
| May 2026 | 98 | 4,597 | |
| June 2026 | 116 | 5,087 | |
| July 2026 | 113 | 5,026 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.