Flight
SWA1521 18 Dec 2025
SWA1521, operated by Southwest Airlines, on 18 Dec 2025. Scheduled and actual times are local to each airport (hover for UTC).
Flight
PlaneTrack receiver network| Route | ? → KOAK METROPOLITAN OAKLAND INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 17:38Z |
| Last seen | 11:36 PST |
| Duration | 1h 57m |
| Aircraft | N439WN |
| Max altitude | 40,025 ft |
Punctuality, last 30 days
| Flights | 7 |
| On time | 1 (14%) |
| Average delay | +35 min |
| Worst delay | +94 min |
In the last 30 days SWA1521 departed on time (within 15 minutes) on 1 of 7 flights (14%), with an average departure delay of +35 min and a worst delay of +94 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.