Leave before 9 am: 93% 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 10 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 1008 | STL 05:40 | MDW 06:45 | 1h 05m | 56 | 89% | 1.8% | 38 min |
| WN 2570 | STL 08:55 | MDW 10:00 | 1h 05m | 34 | 88% | 0.0% | 32 min |
| WN 2665 | STL 09:40 | MDW 10:45 | 1h 05m | 16 | 69% | 0.0% | 20 min |
| WN 1373 | STL 11:20 | MDW 12:25 | 1h 05m | 16 | 80% | 6.2% | 23 min |
| WN 3344 | STL 12:40 | MDW 13:45 | 1h 05m | 26 | 60% | 3.8% | 93 min |
| WN 556 | STL 15:35 | MDW 16:40 | 1h 05m | 34 | 61% | 2.9% | 40 min |
| WN 448 | STL 16:00 | MDW 17:05 | 1h 05m | 16 | 50% | 0.0% | 32 min |
| WN 2289 | STL 17:55 | MDW 19:05 | 1h 10m | 16 | 80% | 0.0% | 28 min |
| WN 596 | STL 18:30 | MDW 19:35 | 1h 05m | 26 | 52% | 3.8% | 73 min |
| WN 3957 | STL 21:45 | MDW 22:55 | 1h 05m | 57 | 67% | 0.0% | 80 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 | STL | MDW | 1h 10m | 81% | 1.2% | 1,704 | 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