Which departure time was most reliable for GSP to DCA?
Among qualifying GSP-to-DCA departure window results, Early morning had the highest on-time rate: 73.7% of 358 flights. Evening was lowest at 46.8% across 301 flights.
| Departure window | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Early morning | 358 | 73.7% | 14.8% | 3.6% |
| Late morning | 291 | 69.4% | 18.9% | 1.7% |
| Afternoon | 67 | 59.7% | 23.9% | 3.0% |
| Evening | 301 | 46.8% | 31.2% | 10.3% |
Which weekday was most reliable for GSP to DCA?
Among qualifying GSP-to-DCA weekday results, Saturday had the highest on-time rate: 76.1% of 109 flights. Wednesday was lowest at 57.6% across 151 flights.
| Day | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Monday | 152 | 61.2% | 21.7% | 7.9% |
| Tuesday | 156 | 67.9% | 18.6% | 3.2% |
| Wednesday | 151 | 57.6% | 23.8% | 4.6% |
| Thursday | 149 | 57.7% | 25.5% | 1.3% |
| Friday | 151 | 66.9% | 18.5% | 7.9% |
| Saturday | 109 | 76.1% | 17.4% | 1.8% |
| Sunday | 149 | 61.1% | 23.5% | 7.4% |
Which airline was most reliable for GSP to DCA?
Among qualifying GSP-to-DCA airline results, Republic Airways had the highest on-time rate: 73.1% of 52 flights. PSA Airlines was lowest at 63.0% across 959 flights.
| Airline | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| PSA Airlines | 959 | 63.0% | 22.0% | 5.2% |
| Republic Airways | 52 | 73.1% | 13.5% | 1.9% |
| Envoy Air | 5 | 80.0% | 0.0% | 0.0% |
| American Airlines | 1 | 100.0% | 0.0% | 0.0% |
Which month was most reliable for GSP to DCA?
Among qualifying GSP-to-DCA month results, October 2025 had the highest on-time rate: 78.9% of 90 flights. February 2026 was lowest at 46.2% across 80 flights.
| Month | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| July 2025 | 88 | 58.0% | 20.5% | 13.6% |
| August 2025 | 83 | 73.5% | 14.5% | 4.8% |
| September 2025 | 90 | 68.9% | 20.0% | 0.0% |
| October 2025 | 90 | 78.9% | 12.2% | 0.0% |
| November 2025 | 84 | 65.5% | 21.4% | 4.8% |
| December 2025 | 75 | 64.0% | 21.3% | 5.3% |
| January 2026 | 84 | 48.8% | 31.0% | 8.3% |
| February 2026 | 80 | 46.2% | 33.8% | 6.2% |
| March 2026 | 89 | 53.9% | 28.1% | 4.5% |
| April 2026 | 80 | 78.8% | 13.8% | 1.2% |
| May 2026 | 88 | 73.9% | 17.0% | 1.1% |
| June 2026 | 86 | 52.3% | 24.4% | 10.5% |
What drove GSP to DCA delay minutes?
Late aircraft was the largest recorded GSP-to-DCA delay category, accounting for 46.2% of 27,204 BTS-attributed delay minutes during July 2025–June 2026.
Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.