Leave before 9 am: 93% depart on time. After 4 pm it’s almost 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.
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 11 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 1751 | DEN 05:35 | STL 08:35 | 2h 05m | 50 | 90% | 0.0% | 46 min |
| WN 1373 | DEN 07:20 | STL 10:25 | 2h 05m | 42 | 93% | 0.0% | 57 min |
| WN 1753 | DEN 10:05 | STL 13:20 | 2h 15m | 49 | 96% | 0.0% | 30 min |
| WN 3152 | DEN 12:55 | STL 15:55 | 2h 05m | 44 | 77% | 0.0% | 46 min |
| WN 320 | DEN 13:40 | STL 16:50 | 2h 10m | 33 | 73% | 0.0% | 42 min |
| WN 3130 | DEN 15:40 | STL 18:45 | 2h 05m | 26 | 62% | 0.0% | 54 min |
| WN 4213 | DEN 15:55 | STL 19:05 | 2h 10m | 16 | 25% | 0.0% | 84 min |
| WN 5074 | DEN 17:15 | STL 20:20 | 2h 05m | 10 | 50% | 0.0% | 148 min |
| WN 1756 | DEN 19:15 | STL 22:28 | 2h 15m | 50 | 40% | 6.0% | 69 min |
| WN 1324 | DEN 20:45 | STL 23:55 | 2h 10m | 16 | 64% | 12.5% | 86 min |
| WN 3317 | DEN 20:45 | STL 23:55 | 2h 10m | 34 | 41% | 0.0% | 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 | DEN | STL | 2h 05m | 77% | 0.5% | 2,194 | 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