Flight
SWA3877 23 Sep 2026
SWA3877, operated by Southwest Airlines, on 23 Sep 2026: Chicago Midway International (KMDW) to Lambert St Louis International (KSTL), 3 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 3
PlaneTrack receiver network| Route | KMDW CHICAGO MIDWAY INTERNATIONAL → KSTL LAMBERT ST LOUIS INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 10:21 CDT |
| Last seen | 11:04 CDT |
| Duration | 0h 42m |
| Aircraft | N7888A |
| Max altitude | 28,000 ft |
| Distance tracked | 218 nm |
Leg 2 of 3
PlaneTrack receiver network| Route | KSTL LAMBERT ST LOUIS INTERNATIONAL → KPHX PHOENIX SKY HARBOR INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 11:57 CDT |
| Last seen | 12:50 MST |
| Duration | 2h 52m |
| Aircraft | N7888A |
| Max altitude | 38,000 ft |
| Distance tracked | 1,094 nm |
Leg 3 of 3
PlaneTrack receiver network| Route | KPHX PHOENIX SKY HARBOR INTERNATIONAL → KSMF SACRAMENTO INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 13:50 MST |
| Last seen | 15:38 PDT |
| Duration | 1h 47m |
| Aircraft | N7888A |
| Max altitude | 38,000 ft |
| Distance tracked | 561 nm |
Punctuality, last 30 days
| Flights | 12 |
| On time | 3 (25%) |
| Average delay | +31 min |
| Worst delay | +82 min |
In the last 30 days SWA3877 departed on time (within 15 minutes) on 3 of 12 flights (25%), with an average departure delay of +31 min and a worst delay of +82 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.