Leave before 9 am: 86% depart on time. After 4 pm it’s barely half.
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.
Airlines on this route
Arriving within 15 minutes. Regional flights count under the airline that sells them. Pick an airline to see its flights.
| Southwest | 450 | 75% | 0.9% | 61 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.
No 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 | DAL | ORD | 2h 25m | 75% | 0.9% | 450 | Not flying now |
Alternatives with one stop
All connections →| DeltaDetails → | DAL 06:05 → ATL 09:15DL 516 | 3h 47m Atlanta | ATL 13:02 → ORD 14:16DL 1477 | 8h 11m | 98% | 71% |
| DeltaDetails → | DAL 15:59 → ATL 19:14DL 512 | 3h 36m Atlanta | ATL 22:50 → ORD 23:53DL 1199 | 8h 00m | 97% | 66% |
| DeltaDetails → | DAL 12:19 → ATL 15:31DL 1115 | 3h 44m Atlanta | ATL 19:15 → ORD 20:33DL 2486 | 8h 13m | 98% | 60% |
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