Flight
SWA4257 28 Feb 2026
SWA4257, operated by Southwest Airlines, on 28 Feb 2026: San Francisco International (KSFO) to Denver International (KDEN). Scheduled and actual times are local to each airport (hover for UTC).
Flight
PlaneTrack receiver network| Route | KSFO SAN FRANCISCO INTERNATIONAL → KDEN DENVER INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 16:00 PST 27 Feb |
| Last seen | 19:10 MST 27 Feb |
| Duration | 2h 09m |
| Aircraft | N8526W |
| Max altitude | 37,025 ft |
| Distance tracked | 838 nm |
Punctuality, last 30 days
| Flights | 3 |
| On time | 1 (33%) |
| Average delay | +28 min |
| Worst delay | +44 min |
In the last 30 days SWA4257 departed on time (within 15 minutes) on 1 of 3 flights (33%), with an average departure delay of +28 min and a worst delay of +44 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.