Flight
SWA4521 22 Aug 2026
SWA4521, operated by Southwest Airlines, on 22 Aug 2026, 2 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 2estimated
PlaneTrack receiver network| Route | ? → KBUR BURBANK GLENDALE PASADENA |
| Status | Completed (receiver network) |
| First seen airborne | 02:36Z |
| Last seen | 20:42 PDT 21 Aug |
| Duration | 1h 05m |
| Aircraft | N943WN |
| Max altitude | 31,000 ft |
Leg 2 of 2estimated
PlaneTrack receiver network| Route | ? → KSMF SACRAMENTO INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 18:23Z |
| Last seen | 12:24 PDT |
| Duration | 1h 00m |
| Aircraft | N906WN |
| Max altitude | 38,000 ft |
Punctuality, last 30 days
| Flights | 7 |
| On time | 2 (29%) |
| Average delay | -62 min |
| Worst delay | +132 min |
In the last 30 days SWA4521 departed on time (within 15 minutes) on 2 of 7 flights (29%), with an average departure delay of -62 min and a worst delay of +132 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.