Flight
SWA4204 12 May 2026
SWA4204, operated by Southwest Airlines, on 12 May 2026: Denver International (KDEN) to Seattle Tacoma International (KSEA), 2 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 2
PlaneTrack receiver network| Route | KDEN DENVER INTERNATIONAL → KSEA SEATTLE TACOMA INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 08:36 MDT |
| Last seen | 10:50 PDT |
| Duration | 3h 14m |
| Aircraft | N8854Q |
| Max altitude | 34,000 ft |
| Distance tracked | 888 nm |
Leg 2 of 2estimated
PlaneTrack receiver network| Route | KDEN DENVER INTERNATIONAL → KSMF SACRAMENTO INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 13:22 MDT |
| Last seen | 14:08 PDT |
| Duration | 1h 45m |
| Aircraft | N8854Q |
| Max altitude | 37,025 ft |
| Distance tracked | 788 nm |
Punctuality, last 30 days
| Flights | 2 |
| On time | 1 (50%) |
| Average delay | +18 min |
| Worst delay | +27 min |
In the last 30 days SWA4204 departed on time (within 15 minutes) on 1 of 2 flights (50%), with an average departure delay of +18 min and a worst delay of +27 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.