Flight
SWA3997 21 Feb 2026
SWA3997, operated by Southwest Airlines, on 21 Feb 2026: Chicago Midway International (KMDW) to Lambert St Louis International (KSTL). Scheduled and actual times are local to each airport (hover for UTC).
Flight
PlaneTrack receiver network| Route | KMDW CHICAGO MIDWAY INTERNATIONAL → KSTL LAMBERT ST LOUIS INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 14:00 CST |
| Last seen | 15:04 CST |
| Duration | 1h 03m |
| Aircraft | N570WN |
| Max altitude | 28,000 ft |
| Distance tracked | 218 nm |
Punctuality, last 30 days
| Flights | 6 |
| On time | 4 (67%) |
| Average delay | +19 min |
| Worst delay | +67 min |
In the last 30 days SWA3997 departed on time (within 15 minutes) on 4 of 6 flights (67%), with an average departure delay of +19 min and a worst delay of +67 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.