Flight
SWA3840 15 Sep 2026
SWA3840, operated by Southwest Airlines, on 15 Sep 2026: Sacramento International (KSMF) to Mc Carran International (KLAS), 2 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 2
PlaneTrack receiver network| Route | KSMF SACRAMENTO INTERNATIONAL → KLAS MC CARRAN INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 17:22 PDT 14 Sep |
| Last seen | 18:24 PDT 14 Sep |
| Duration | 1h 01m |
| Aircraft | N8858K |
| Max altitude | 33,000 ft |
| Distance tracked | 344 nm |
Leg 2 of 2estimated
PlaneTrack receiver network| Route | Route not recorded |
| Status | Completed (receiver network) |
| First seen airborne | 02:36Z |
| Last seen | 03:50Z |
| Duration | 1h 13m |
| Aircraft | N8858K |
| Max altitude | 37,000 ft |
Punctuality, last 30 days
| Flights | 3 |
| On time | 1 (33%) |
| Average delay | +76 min |
| Worst delay | +149 min |
In the last 30 days SWA3840 departed on time (within 15 minutes) on 1 of 3 flights (33%), with an average departure delay of +76 min and a worst delay of +149 min.
Schedule, departure and arrival times from the FAA SWIM feed; aircraft, altitude and distance from the PlaneTrack receiver network. On time means a departure within 15 minutes of schedule.