Flight
SWA3999 18 Apr 2026
SWA3999, operated by Southwest Airlines, on 18 Apr 2026. Scheduled and actual times are local to each airport (hover for UTC).
Flight
PlaneTrack receiver network| Route | KSTL LAMBERT ST LOUIS INTERNATIONAL → ? |
| Status | Completed (receiver network) |
| First seen airborne | 10:05 CDT |
| Last seen | 17:26Z |
| Duration | 2h 20m |
| Aircraft | N954WN |
| Max altitude | 39,025 ft |
Punctuality, last 30 days
| Flights | 4 |
| On time | 1 (25%) |
| Average delay | +25 min |
| Worst delay | +34 min |
In the last 30 days SWA3999 departed on time (within 15 minutes) on 1 of 4 flights (25%), with an average departure delay of +25 min and a worst delay of +34 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.