Flight
SWA3521 20 Apr 2026
SWA3521, operated by Southwest Airlines, on 20 Apr 2026, 2 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 2estimated
PlaneTrack receiver network| Route | ? → KONT ONTARIO INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 00:00Z |
| Last seen | 18:08 PDT 19 Apr |
| Duration | 1h 07m |
| Aircraft | N8759Q |
| Max altitude | 26,000 ft |
Leg 2 of 2estimated
PlaneTrack receiver network| Route | Route not recorded |
| Status | Completed (receiver network) |
| First seen airborne | 01:56Z |
| Last seen | 19:52Z |
| Duration | 17h 55m |
| Aircraft | N8759Q |
| Max altitude | 34,000 ft |
Punctuality, last 30 days
| Flights | 6 |
| On time | 4 (67%) |
| Average delay | -203 min |
| Worst delay | +81 min |
In the last 30 days SWA3521 departed on time (within 15 minutes) on 4 of 6 flights (67%), with an average departure delay of -203 min and a worst delay of +81 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.