Leave before 9 am: 9 in 10 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 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 452 | DEN 07:45 | SLC 09:20 | 1h 35m | 49 | 90% | 0.0% | 47 min |
| WN 4027 | DEN 10:05 | SLC 11:45 | 1h 35m | 50 | 80% | 0.0% | 27 min |
| WN 1731 | DEN 11:45 | SLC 13:25 | 1h 40m | 42 | 64% | 0.0% | 34 min |
| WN 1732 | DEN 13:05 | SLC 14:35 | 1h 30m | 49 | 50% | 0.0% | 37 min |
| WN 1733 | DEN 16:50 | SLC 18:35 | 1h 45m | 49 | 63% | 0.0% | 96 min |
| WN 1734 | DEN 17:50 | SLC 19:35 | 1h 45m | 33 | 45% | 0.0% | 65 min |
| WN 2646 | DEN 20:30 | SLC 22:08 | 1h 38m | 16 | 25% | 0.0% | 84 min |
| WN 1737 | DEN 20:55 | SLC 22:40 | 1h 40m | 57 | 40% | 0.0% | 61 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 | SLC | 1h 35m | 74% | 0.4% | 2,307 | 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