GSP · Greenville-Spartanburg International Airport
Greer, SC. All airports.
Share of flights 15+ min late, by month
departures
arrivals
usual for the month (departures)
Jan 2015 → Jul 2026; gridlines 10/20/30/40%
Recent months — departures
| Month | Flights | Late 15+ | vs usual | Cancelled | Avg min | Main cause |
|---|---|---|---|---|---|---|
| Jul 2026 | 1,303 | 29.0% | +9.1 | 3.4% | 24 | Late aircraft |
| Jun 2026 | 1,250 | 23.6% | +5.6 | 2.3% | 22 | Airline |
| May 2026 | 1,302 | 17.3% | +2.6 | 1.1% | 12 | Late aircraft |
| Apr 2026 | 1,120 | 11.7% | -1.7 | 1.3% | 10 | Late aircraft |
| Mar 2026 | 1,203 | 22.1% | +9.1 | 3.7% | 21 | Airline |
| Feb 2026 | 1,056 | 16.9% | +6.8 | 3.5% | 14 | Late aircraft |
| Jan 2026 | 1,109 | 17.5% | +2.5 | 9.1% | 17 | Late aircraft |
| Dec 2025 | 1,153 | 24.7% | +8.2 | 2.1% | 21 | Late aircraft |
| Nov 2025 | 1,144 | 17.2% | +4.8 | 3.9% | 17 | Late aircraft |
| Oct 2025 | 1,199 | 17.0% | +5.6 | 0.3% | 12 | Late aircraft |
| Sep 2025 | 1,148 | 10.5% | -1.1 | 0.5% | 8 | Late aircraft |
| Aug 2025 | 1,214 | 17.2% | +0.6 | 1.6% | 15 | Late aircraft |
| Jul 2025 | 1,316 | 28.2% | +8.4 | 3.3% | 25 | Late aircraft |
| Jun 2025 | 1,227 | 28.8% | +10.8 | 3.2% | 24 | Late aircraft |
| May 2025 | 1,265 | 22.0% | +7.3 | 1.5% | 17 | Late aircraft |
| Apr 2025 | 1,144 | 16.1% | +2.8 | 0.8% | 13 | Late aircraft |
| Mar 2025 | 1,213 | 17.4% | +4.9 | 1.7% | 17 | Late aircraft |
| Feb 2025 | 1,058 | 17.5% | +7.4 | 2.1% | 21 | Late aircraft |
| Jan 2025 | 1,098 | 15.0% | +0.7 | 4.4% | 11 | Late aircraft |
| Dec 2024 | 1,342 | 19.4% | +2.8 | 0.7% | 15 | Airline |
| Nov 2024 | 1,345 | 9.5% | -3.4 | 0.2% | 6 | Air traffic |
| Oct 2024 | 1,465 | 10.5% | -1.3 | 0.2% | 8 | Late aircraft |
| Sep 2024 | 1,358 | 14.0% | +2.4 | 1.7% | 13 | Late aircraft |
| Aug 2024 | 1,482 | 17.0% | +0.5 | 2.2% | 15 | Late aircraft |
Airlines here, Mar 2026 (departures)
| Airline | Flights | Late | Canc. |
|---|---|---|---|
| Southwest | 148 | 14.3% | 0.7% |
| Delta | 260 | 18.1% | 2.3% |
| Envoy | 177 | 20.0% | 4.0% |
| SkyWest | 90 | 20.5% | 7.8% |
| Republic | 145 | 24.1% | 5.5% |
| PSA | 238 | 25.6% | 4.6% |
| American | 93 | 28.9% | 3.2% |
| Allegiant | 45 | 47.7% | 2.2% |
Airlines with 30+ departures that month.
Worst days on record
| Date | Flights | Late | Canc. |
|---|---|---|---|
| 2024-07-19 | 52 | 76% | 19% |
| 2020-02-06 | 50 | 55% | 12% |
| 2019-08-01 | 50 | 51% | 2% |
| 2024-07-17 | 50 | 41% | 12% |
| 2024-07-07 | 52 | 43% | 6% |
| 2024-07-22 | 53 | 37% | 13% |
| 2024-08-04 | 51 | 37% | 10% |
| 2019-07-31 | 52 | 40% | 4% |
| 2024-08-09 | 52 | 39% | 6% |
| 2019-07-18 | 50 | 38% | 6% |
| 2024-07-15 | 53 | 39% | 4% |
| 2019-06-20 | 51 | 33% | 10% |
Departures; ranked by share late or cancelled.
FAA programs, last 90 days
None recorded.