Leave before 9 am: 94% depart on time. After 4 pm it’s barely 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 4894 | LAX 06:20 | SMF 07:45 | 1h 25m | 34 | 97% | 0.0% | 19 min |
| WN 4802 | LAX 07:45 | SMF 09:10 | 1h 25m | 16 | 94% | 0.0% | 227 min |
| WN 4454 | LAX 09:30 | SMF 10:55 | 1h 25m | 42 | 90% | 0.0% | 64 min |
| WN 801 | LAX 11:00 | SMF 12:25 | 1h 25m | 18 | 94% | 0.0% | 91 min |
| WN 265 | LAX 12:15 | SMF 13:35 | 1h 20m | 26 | 88% | 0.0% | 44 min |
| WN 2347 | LAX 12:15 | SMF 13:35 | 1h 20m | 16 | 93% | 6.2% | 18 min |
| WN 2008 | LAX 14:00 | SMF 15:25 | 1h 25m | 26 | 85% | 0.0% | 79 min |
| WN 928 | LAX 15:40 | SMF 17:05 | 1h 25m | 16 | 69% | 0.0% | 46 min |
| WN 4500 | LAX 17:45 | SMF 19:10 | 1h 25m | 26 | 62% | 0.0% | 63 min |
| WN 2348 | LAX 19:55 | SMF 21:20 | 1h 25m | 16 | 31% | 0.0% | 62 min |
| WN 4921 | LAX 21:05 | SMF 22:30 | 1h 25m | 33 | 58% | 0.0% | 69 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 | LAX | SMF | 1h 30m | 80% | 0.2% | 1,629 | 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