Flight
SWA3856 10 Jul 2026
SWA3856, operated by Southwest Airlines, on 10 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 | 22:58 MDT 9 Jul |
| Last seen | 00:22 PDT |
| Duration | 2h 24m |
| Aircraft | N8553W |
| Max altitude | 36,000 ft |
| Distance tracked | 888 nm |
Punctuality, last 30 days
| Flights | 5 |
| On time | 1 (20%) |
| Average delay | +53 min |
| Worst delay | +111 min |
In the last 30 days SWA3856 departed on time (within 15 minutes) on 1 of 5 flights (20%), with an average departure delay of +53 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.