Leave before 9 am: 94% depart on time. After 4 pm it’s 3 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).
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 6 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 2900 | MDW 07:50 | STL 09:10 | 1h 20m | 57 | 95% | 0.0% | 60 min |
| WN 2901 | MDW 10:32 | STL 11:45 | 1h 12m | 50 | 75% | 4.0% | 32 min |
| WN 2902 | MDW 13:00 | STL 14:10 | 1h 10m | 50 | 78% | 2.0% | 45 min |
| WN 2903 | MDW 14:45 | STL 15:55 | 1h 10m | 42 | 62% | 4.8% | 54 min |
| WN 2904 | MDW 18:00 | STL 19:10 | 1h 10m | 42 | 70% | 4.8% | 68 min |
| WN 2905 | MDW 21:35 | STL 22:50 | 1h 15m | 57 | 64% | 3.5% | 96 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 | MDW | STL | 1h 15m | 82% | 1.3% | 1,708 | 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