Leave before 9 am: 92% depart on time. After 4 pm it’s 4 in 5.
Time of day × airport
Share of this route’s flights leaving within 15 minutes, by airport and scheduled departure hour, over Aug 2025 – Jul 2026. Blank: no flights then (or fewer than 40 in the year).
Airlines on this route
Arriving within 15 minutes. Regional flights count under the airline that sells them. Pick an airline to see its flights.
| Delta (incl. Endeavor) | 2,826 | 84% | 1.6% | 59 min |
Flights, best and worst
Flights in the Jun 6 – Jul 31, 2026 schedule that ran 150+ times in the year. Times are local. Pick a flight for its history.
| DL 2158 | ATL 09:57 | GSP 10:57 | 94% |
| DL 3089 | ATL 08:15 | GSP 09:18 | 91% |
| DL 1725 | ATL 11:15 | GSP 12:18 | 91% |
| DL 3010 | ATL 13:21 | GSP 14:15 | 85% |
| DL 2281 | ATL 22:54 | GSP 23:59 | 81% |
| · · · | |||
| DL 3095 | ATL 15:07 | GSP 16:10 | 80% |
| DL 1021 | ATL 18:00 | GSP 19:06 | 79% |
| DL 3136 | ATL 21:14 | GSP 22:18 | 75% |
Nonstops by airline and airport
Arriving within 15 minutes, Aug 2025 – Jul 2026. Pick a row to see that airline’s flights on that airport pair.
| Delta | ATL | GSP | 59m | 84% | 1.6% | 2,826 | Flying now |
About this data: US DOT on-time records, Aug 2025 – Jul 2026, all US airlines; regional flights count under the airline that sells them. Schedules (which flights and connections exist, and their times) are as of Jun 6 – Jul 31, 2026; seasonal flights outside that window aren’t ranked. Rebuilt monthly. JSON