Flight
SWA4390 7 Sep 2026
SWA4390, operated by Southwest Airlines, on 7 Sep 2026: Lambert St Louis International (KSTL) to San Antonio International (KSAT). Scheduled and actual times are local to each airport (hover for UTC).
Flightestimated
PlaneTrack receiver network| Route | KSTL LAMBERT ST LOUIS INTERNATIONAL → KSAT SAN ANTONIO INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 21:25 CDT 6 Sep |
| Last seen | 23:28 CDT 6 Sep |
| Duration | 2h 03m |
| Aircraft | N257WN |
| Max altitude | 40,000 ft |
| Distance tracked | 683 nm |
Punctuality, last 30 days
| Flights | 5 |
| On time | 0 (0%) |
| Average delay | +65 min |
| Worst delay | +154 min |
In the last 30 days SWA4390 departed on time (within 15 minutes) on 0 of 5 flights (0%), with an average departure delay of +65 min and a worst delay of +154 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.