Airports › Greer (GSP) › June 2026
Airport month · June 2026
Greenville-Spartanburg International in June 2026
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 June 2026, reporting carriers scheduled 1,250 domestic departures from Greenville-Spartanburg International (GSP). 74.6% left less than 15 minutes late and 74.3% reached their destination on time; 2.3% were cancelled.
Nationally that month, 72.2% of flights departed on time and 72.8% arrived on time, so GSP departures were 2.4 points above the national departure figure.
A year earlier, in June 2025, the airport had 1,227 departures with 68.9% leaving on time: a change of +5.7 points, with flights up 2%.
Flights arriving at GSP that month were on time 71.4% of the time (1,250 scheduled arrivals).
Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 36%, late-arriving aircraft 35% and national aviation system 17%.
- On time 74.3%
- Arrived 15+ minutes late 23.0%
- Cancelled 2.3%
- Diverted 0.4%
June 2026 against a year earlier, the airport's year and the nation
| Measure | Jun 2026 | Jun 2025 | GSP, 12 months to Jul 2026 | All reported flights, Jun 2026 |
|---|---|---|---|---|
| Departed on time | 74.6% | 68.9% | 79.0% | 72.2% |
| Arrived on time | 74.3% | 69.5% | 78.9% | 72.8% |
| Cancelled | 2.3% | 3.2% | 2.7% | 1.6% |
| Average departure delay (late minutes only) | 22.3 min | 24.2 min | 16.1 min | 20.6 min |
| Scheduled departures a day | 42 | 41 | 39 | 20,253 |
| Scheduled departures | 1,250 | 1,227 | 14,201 | 607,577 |
Airlines that month
| Reporting carrier | Flights | Share | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| DL Delta Air Lines | 283 | 23% | 89.4% | -5.0 min | 0.0% |
| MQ Envoy Air | 230 | 18% | 71.3% | 9.8 min | 3.0% |
| OH PSA Airlines | 206 | 16% | 67.0% | 32.6 min | 4.9% |
| YX Republic Airline | 163 | 13% | 77.3% | 5.5 min | 3.7% |
| WN Southwest Airlines | 150 | 12% | 74.7% | 5.8 min | 0.0% |
| OO SkyWest Airlines | 67 | 5% | 65.7% | 19.9 min | 3.0% |
| G4 Allegiant Air | 61 | 5% | 52.5% | 46.0 min | 0.0% |
| AA American Airlines | 60 | 5% | 68.3% | 24.9 min | 6.7% |
| UA United Airlines | 30 | 2% | 63.3% | 21.6 min | 0.0% |
Busiest routes that month
| Route | Cities | Flights | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| GSP–ATL | Greer to Atlanta | 247 | 89.1% | -3.7 min | 0.0% |
| GSP–ORD | Greer to Chicago | 156 | 70.5% | 8.1 min | 3.2% |
| GSP–DFW | Greer to Dallas/Fort Worth | 119 | 68.1% | 21.8 min | 5.9% |
| GSP–CLT | Greer to Charlotte | 111 | 72.1% | 22.2 min | 1.8% |
| GSP–BNA | Greer to Nashville | 90 | 66.7% | 9.4 min | 0.0% |
| GSP–EWR | Greer to Newark | 90 | 77.8% | 1.9 min | 2.2% |
| GSP–DCA | Greer to Washington | 86 | 52.3% | 50.8 min | 10.5% |
| GSP–LGA | Greer to New York | 69 | 75.4% | 12.1 min | 5.8% |
| GSP–MIA | Greer to Miami | 64 | 73.4% | 13.2 min | 0.0% |
| GSP–BWI | Greer to Baltimore | 60 | 86.7% | 0.5 min | 0.0% |
| GSP–DTW | Greer to Detroit | 36 | 91.7% | -13.9 min | 0.0% |
| GSP–DEN | Greer to Denver | 30 | 63.3% | 21.6 min | 0.0% |
By scheduled departure hour
Delay causes
Questions and answers
How many flights left GSP on time in June 2026?
74.6% of 1,250 scheduled domestic departures left less than 15 minutes late, and 74.3% reached their destination on time. The national figures that month were 72.2% and 72.8%.
How does that compare with a year earlier?
In June 2025, 68.9% of 1,227 departures left on time and 3.2% were cancelled, against 74.6% and 2.3% in June 2026.
Provenance
Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for June 2026; 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.