Airports › Greer (GSP) › March 2026
Airport month · March 2026
Greenville-Spartanburg International in March 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 March 2026, reporting carriers scheduled 1,203 domestic departures from Greenville-Spartanburg International (GSP). 75.1% left less than 15 minutes late and 74.7% reached their destination on time; 3.7% were cancelled.
Nationally that month, 72.8% of flights departed on time and 73.2% arrived on time, so GSP departures were 2.3 points above the national departure figure.
A year earlier, in March 2025, the airport had 1,213 departures with 81.1% leaving on time: a change of −6.0 points, with flights down 1%.
Flights arriving at GSP that month were on time 69.0% of the time (1,201 scheduled arrivals).
Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 38%, late-arriving aircraft 37% and national aviation system 20%.
- On time 74.7%
- Arrived 15+ minutes late 21.4%
- Cancelled 3.7%
- Diverted 0.2%
March 2026 against a year earlier, the airport's year and the nation
| Measure | Mar 2026 | Mar 2025 | GSP, 12 months to Jul 2026 | All reported flights, Mar 2026 |
|---|---|---|---|---|
| Departed on time | 75.1% | 81.1% | 79.0% | 72.8% |
| Arrived on time | 74.7% | 79.8% | 78.9% | 73.2% |
| Cancelled | 3.7% | 1.7% | 2.7% | 2.9% |
| Average departure delay (late minutes only) | 20.7 min | 16.8 min | 16.1 min | 20.3 min |
| Scheduled departures a day | 40 | 40 | 39 | 20,403 |
| Scheduled departures | 1,203 | 1,213 | 14,201 | 612,102 |
Airlines that month
| Reporting carrier | Flights | Share | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| DL Delta Air Lines | 260 | 22% | 80.0% | 4.9 min | 2.3% |
| OH PSA Airlines | 238 | 20% | 69.7% | 21.6 min | 4.6% |
| MQ Envoy Air | 177 | 15% | 76.3% | 3.5 min | 4.0% |
| WN Southwest Airlines | 148 | 12% | 91.2% | -4.5 min | 0.7% |
| YX Republic Airline | 145 | 12% | 67.6% | 17.4 min | 5.5% |
| AA American Airlines | 93 | 8% | 75.3% | 1.0 min | 3.2% |
| OO SkyWest Airlines | 90 | 7% | 66.7% | 18.8 min | 7.8% |
| G4 Allegiant Air | 45 | 4% | 44.4% | 28.5 min | 2.2% |
| UA United Airlines | 7 | 1% | 100.0% | -21.1 min | 0.0% |
Busiest routes that month
| Route | Cities | Flights | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| GSP–ATL | Greer to Atlanta | 231 | 81.0% | 3.8 min | 2.2% |
| GSP–ORD | Greer to Chicago | 151 | 67.5% | 19.1 min | 8.6% |
| GSP–CLT | Greer to Charlotte | 145 | 77.9% | 15.9 min | 3.4% |
| GSP–DFW | Greer to Dallas/Fort Worth | 93 | 82.8% | -3.4 min | 0.0% |
| GSP–DCA | Greer to Washington | 89 | 53.9% | 32.2 min | 4.5% |
| GSP–BNA | Greer to Nashville | 85 | 90.6% | -7.3 min | 1.2% |
| GSP–LGA | Greer to New York | 80 | 52.5% | 34.8 min | 8.8% |
| GSP–MIA | Greer to Miami | 65 | 70.8% | 4.2 min | 3.1% |
| GSP–BWI | Greer to Baltimore | 61 | 91.8% | -0.5 min | 0.0% |
| GSP–EWR | Greer to Newark | 59 | 84.7% | -0.5 min | 1.7% |
| GSP–DTW | Greer to Detroit | 35 | 74.3% | 9.1 min | 2.9% |
| GSP–DEN | Greer to Denver | 31 | 80.6% | -13.3 min | 6.5% |
By scheduled departure hour
Delay causes
Questions and answers
How many flights left GSP on time in March 2026?
75.1% of 1,203 scheduled domestic departures left less than 15 minutes late, and 74.7% reached their destination on time. The national figures that month were 72.8% and 73.2%.
How does that compare with a year earlier?
In March 2025, 81.1% of 1,213 departures left on time and 1.7% were cancelled, against 75.1% and 3.7% in March 2026.
Provenance
Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for March 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.