Flight
SWA4254 17 Sep 2026
SWA4254, operated by Southwest Airlines, on 17 Sep 2026: Chicago Midway International (KMDW) to Lambert St Louis International (KSTL), 2 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 2
PlaneTrack receiver network| Route | KMDW CHICAGO MIDWAY INTERNATIONAL → KSTL LAMBERT ST LOUIS INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 20:45 CDT 16 Sep |
| Last seen | 21:26 CDT 16 Sep |
| Duration | 0h 40m |
| Aircraft | N204WN |
| Max altitude | 28,000 ft |
| Distance tracked | 218 nm |
Leg 2 of 2estimated
PlaneTrack receiver network| Route | KSTL LAMBERT ST LOUIS INTERNATIONAL → ? |
| Status | Completed (receiver network) |
| First seen airborne | 10:39 CDT |
| Last seen | 23:58Z |
| Duration | 8h 18m |
| Aircraft | N204WN |
| Max altitude | 28,000 ft |
Punctuality, last 30 days
| Flights | 7 |
| On time | 3 (43%) |
| Average delay | -134 min |
| Worst delay | +190 min |
In the last 30 days SWA4254 departed on time (within 15 minutes) on 3 of 7 flights (43%), with an average departure delay of -134 min and a worst delay of +190 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.