Flight
SWA4521 3 May 2026
SWA4521, operated by Southwest Airlines, on 3 May 2026: Lambert St Louis International (KSTL) to Tampa International (KTPA). Scheduled and actual times are local to each airport (hover for UTC).
Flight
PlaneTrack receiver network| Route | KSTL LAMBERT ST LOUIS INTERNATIONAL → KTPA TAMPA INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 10:23 CDT |
| Last seen | 13:26 EDT |
| Duration | 2h 02m |
| Aircraft | N439WN |
| Max altitude | 37,000 ft |
| Distance tracked | 755 nm |
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.