Leave before 9 am: 92% depart on time. After 4 pm it’s 57%.
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.
All 8 Southwest flights in the current schedule
Every flight that flew in the Jun 6 – Jul 31, 2026 schedule, with its record over Aug 2025 – Jul 2026. Times are local. Click a column to sort.
| WN 2445 | DAL 07:15 | STL 09:00 | 1h 45m | 16 | 94% | 0.0% | 26 min |
| WN 274 | DAL 07:20 | STL 09:05 | 1h 45m | 25 | 84% | 0.0% | 74 min |
| WN 1411 | DAL 09:40 | STL 11:25 | 1h 45m | 58 | 79% | 0.0% | 50 min |
| WN 1412 | DAL 13:00 | STL 14:45 | 1h 45m | 42 | 71% | 2.4% | 54 min |
| WN 2921 | DAL 17:25 | STL 19:10 | 1h 45m | 33 | 55% | 0.0% | 84 min |
| WN 4444 | DAL 18:25 | STL 20:10 | 1h 45m | 50 | 56% | 0.0% | 62 min |
| WN 1338 | DAL 20:15 | STL 22:02 | 1h 48m | 16 | 69% | 0.0% | 43 min |
| WN 1414 | DAL 22:38 | STL 00:40 | 1h 48m | 50 | 57% | 2.0% | 60 min |
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 | STL | 1h 45m | 77% | 1.4% | 1,939 | 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