Flight
SWA4439 28 Apr 2026
SWA4439, operated by Southwest Airlines, on 28 Apr 2026: Lambert St Louis International (KSTL) to General Edward Lawrence Logan International (KBOS). Scheduled and actual times are local to each airport (hover for UTC).
Flight
PlaneTrack receiver network| Route | KSTL LAMBERT ST LOUIS INTERNATIONAL → KBOS GENERAL EDWARD LAWRENCE LOGAN INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 22:08 CDT 27 Apr |
| Last seen | 01:18 EDT |
| Duration | 2h 09m |
| Aircraft | N8539V |
| Max altitude | 37,000 ft |
| Distance tracked | 907 nm |
Punctuality, last 30 days
| Flights | 5 |
| On time | 1 (20%) |
| Average delay | +62 min |
| Worst delay | +134 min |
In the last 30 days SWA4439 departed on time (within 15 minutes) on 1 of 5 flights (20%), with an average departure delay of +62 min and a worst delay of +134 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.