Airports › Greer (GSP) › October 2025
Airport month · October 2025
Greenville-Spartanburg International in October 2025
BTS: A flight is counted as on time if it arrived less than 15 minutes after its scheduled time. Only carriers with at least 0.5 percent of domestic scheduled passenger revenue report.
In October 2025, reporting carriers scheduled 1,199 domestic departures from Greenville-Spartanburg International (GSP). 82.8% left less than 15 minutes late and 83.6% reached their destination on time; 0.3% were cancelled.
Nationally that month, 80.0% of flights departed on time and 79.1% arrived on time, so GSP departures were 2.8 points above the national departure figure.
A year earlier, in October 2024, the airport had 1,465 departures with 89.4% leaving on time: a change of −6.6 points, with flights down 18%.
Flights arriving at GSP that month were on time 78.4% of the time (1,197 scheduled arrivals).
Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 47%, air carrier 27% and national aviation system 19%.
- On time 83.6%
- Arrived 15+ minutes late 16.1%
- Cancelled 0.3%
- Diverted 0.1%
October 2025 against a year earlier, the airport's year and the nation
| Measure | Oct 2025 | Oct 2024 | GSP, 12 months to Jul 2026 | All reported flights, Oct 2025 |
|---|---|---|---|---|
| Departed on time | 82.8% | 89.4% | 79.0% | 80.0% |
| Arrived on time | 83.6% | 85.4% | 78.9% | 79.1% |
| Cancelled | 0.3% | 0.2% | 2.7% | 0.5% |
| Average departure delay (late minutes only) | 11.8 min | 8.4 min | 16.1 min | 13.9 min |
| Scheduled departures a day | 40 | 49 | 39 | 20,195 |
| Scheduled departures | 1,199 | 1,465 | 14,201 | 605,844 |
Airlines that month
| Reporting carrier | Flights | Share | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| DL Delta Air Lines | 287 | 24% | 91.3% | -3.5 min | 0.0% |
| OH PSA Airlines | 245 | 20% | 86.5% | -4.3 min | 0.0% |
| YX Republic Airline | 189 | 16% | 79.4% | 8.1 min | 1.1% |
| MQ Envoy Air | 127 | 11% | 84.3% | -2.4 min | 0.0% |
| WN Southwest Airlines | 120 | 10% | 82.5% | 3.0 min | 0.0% |
| AA American Airlines | 108 | 9% | 71.3% | 10.6 min | 0.9% |
| OO SkyWest Airlines | 61 | 5% | 78.7% | 4.7 min | 0.0% |
| G4 Allegiant Air | 31 | 3% | 61.3% | 13.2 min | 0.0% |
| UA United Airlines | 31 | 3% | 90.3% | 3.5 min | 0.0% |
Busiest routes that month
| Route | Cities | Flights | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| GSP–ATL | Greer to Atlanta | 254 | 90.9% | -1.7 min | 0.0% |
| GSP–ORD | Greer to Chicago | 173 | 80.3% | 3.0 min | 0.0% |
| GSP–DFW | Greer to Dallas/Fort Worth | 109 | 74.3% | 8.5 min | 0.9% |
| GSP–CLT | Greer to Charlotte | 106 | 86.8% | -1.0 min | 0.0% |
| GSP–DCA | Greer to Washington | 90 | 78.9% | -2.1 min | 0.0% |
| GSP–LGA | Greer to New York | 84 | 73.8% | 15.3 min | 2.4% |
| GSP–EWR | Greer to Newark | 70 | 78.6% | 6.5 min | 0.0% |
| GSP–BWI | Greer to Baltimore | 58 | 94.8% | -1.3 min | 0.0% |
| GSP–MIA | Greer to Miami | 57 | 96.5% | -12.3 min | 0.0% |
| GSP–DTW | Greer to Detroit | 36 | 100.0% | -21.9 min | 0.0% |
| GSP–PHL | Greer to Philadelphia | 36 | 94.4% | -14.0 min | 0.0% |
| GSP–BNA | Greer to Nashville | 31 | 71.0% | 5.4 min | 0.0% |
By scheduled departure hour
Delay causes
Questions and answers
How many flights left GSP on time in October 2025?
82.8% of 1,199 scheduled domestic departures left less than 15 minutes late, and 83.6% reached their destination on time. The national figures that month were 80.0% and 79.1%.
How does that compare with a year earlier?
In October 2024, 89.4% of 1,465 departures left on time and 0.2% were cancelled, against 82.8% and 0.3% in October 2025.
Provenance
Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for October 2025; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for GSP · methodology · corrections.