No clear winner: Southwest’s ATL → RDU flights land within a few points of 88% on time whatever the hour.
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).
Pick an hour to see this route’s flights leaving then.
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.
No Southwest flight on this route ran 150+ times in the year.
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.
| Southwest | ATL | RDU | 1h 25m | 88% | 1.4% | 216 | Not flying now |
Alternatives with one stop
All connections →| SouthwestDetails → | ATL 06:50 → STL 07:30WN 3937 | 2h 25m St Louis | STL 09:55 → RDU 12:45WN 297 | 5h 55m | 100% | 88% |
| SouthwestDetails → | ATL 07:00 → BWI 08:50WN 4364 | 2h 45m Baltimore | BWI 11:35 → RDU 12:45WN 4442 | 5h 45m | 97% | 83% |
| SouthwestDetails → | ATL 06:00 → AUS 07:20WN 4363 | 1h 55m Austin | AUS 09:15 → RDU 13:05WN 4516 | 7h 05m | 100% | 79% |
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