Flight
SWA3856 17 Jul 2026
SWA3856, operated by Southwest Airlines, on 17 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 | 21:52 MDT 16 Jul |
| Last seen | 00:06 PDT |
| Duration | 3h 13m |
| Aircraft | N8684F |
| Max altitude | 36,000 ft |
| Distance tracked | 888 nm |
Punctuality, last 30 days
| Flights | 4 |
| On time | 1 (25%) |
| Average delay | +39 min |
| Worst delay | +66 min |
In the last 30 days SWA3856 departed on time (within 15 minutes) on 1 of 4 flights (25%), with an average departure delay of +39 min and a worst delay of +66 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.