Flight
SWA3856 7 Jul 2026
SWA3856, operated by Southwest Airlines, on 7 Jul 2026: Denver International (KDEN) to Seattle Tacoma International (KSEA). Scheduled and actual times are local to each airport (hover for UTC).
Flightestimated
PlaneTrack receiver network| Route | KDEN DENVER INTERNATIONAL → KSEA SEATTLE TACOMA INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 23:55 MDT 6 Jul |
| Last seen | 01:38 PDT |
| Duration | 2h 42m |
| Aircraft | N8543Z |
| Max altitude | 36,000 ft |
| Distance tracked | 888 nm |
Punctuality, last 30 days
| Flights | 4 |
| On time | 0 (0%) |
| Average delay | +64 min |
| Worst delay | +111 min |
In the last 30 days SWA3856 departed on time (within 15 minutes) on 0 of 4 flights (0%), with an average departure delay of +64 min and a worst delay of +111 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.