Leave before 9 am: 9 in 10 depart on time. After 4 pm it’s 2 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 1738 | DEN 07:45 | SMF 09:15 | 2h 30m | 58 | 90% | 0.0% | 36 min |
| WN 1739 | DEN 09:00 | SMF 10:25 | 2h 25m | 26 | 69% | 0.0% | 23 min |
| WN 1450 | DEN 09:35 | SMF 11:00 | 2h 25m | 16 | 100% | 0.0% | – |
| WN 1740 | DEN 10:20 | SMF 11:55 | 2h 35m | 34 | 74% | 0.0% | 34 min |
| WN 1741 | DEN 13:30 | SMF 14:58 | 2h 30m | 50 | 70% | 0.0% | 33 min |
| WN 1297 | DEN 14:25 | SMF 15:55 | 2h 30m | 16 | 62% | 0.0% | 39 min |
| WN 4096 | DEN 15:50 | SMF 17:25 | 2h 35m | 51 | 48% | 5.9% | 64 min |
| WN 136 | DEN 19:25 | SMF 20:55 | 2h 30m | 57 | 9% | 0.0% | 76 min |
| WN 1744 | DEN 21:35 | SMF 23:05 | 2h 30m | 49 | 33% | 0.0% | 72 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 | SMF | 2h 35m | 67% | 0.3% | 1,873 | 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