Leave before 9 am: 96% 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 9 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 3737 | SLC 05:42 | DEN 07:08 | 1h 25m | 50 | 98% | 2.0% | 54 min |
| WN 3738 | SLC 07:45 | DEN 09:15 | 1h 30m | 58 | 95% | 0.0% | 46 min |
| WN 3739 | SLC 10:40 | DEN 12:05 | 1h 25m | 49 | 51% | 0.0% | 27 min |
| WN 1478 | SLC 12:20 | DEN 13:50 | 1h 30m | 34 | 85% | 0.0% | 30 min |
| WN 3591 | SLC 13:10 | DEN 14:40 | 1h 30m | 16 | 50% | 0.0% | 37 min |
| WN 3740 | SLC 16:45 | DEN 18:15 | 1h 30m | 57 | 28% | 0.0% | 59 min |
| WN 3741 | SLC 19:35 | DEN 21:05 | 1h 30m | 50 | 65% | 0.0% | 78 min |
| WN 4225 | SLC 21:40 | DEN 23:08 | 1h 28m | 16 | 69% | 0.0% | 86 min |
| WN 4851 | SLC 21:40 | DEN 23:08 | 1h 28m | 26 | 58% | 0.0% | 77 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 | SLC | DEN | 1h 30m | 74% | 0.6% | 2,306 | 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