Flight
SWA3877 25 Aug 2026
SWA3877, operated by Southwest Airlines, on 25 Aug 2026, 3 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 3estimated
PlaneTrack receiver network| Route | ? → KSTL LAMBERT ST LOUIS INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 15:38Z |
| Last seen | 11:20 CDT |
| Duration | 0h 41m |
| Aircraft | N461WN |
| Max altitude | 28,000 ft |
Leg 2 of 3estimated
PlaneTrack receiver network| Route | KSMF SACRAMENTO INTERNATIONAL → KPHX PHOENIX SKY HARBOR INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 10:18 PDT |
| Last seen | 13:10 MST |
| Duration | 2h 51m |
| Aircraft | N461WN |
| Max altitude | 40,000 ft |
| Distance tracked | 561 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 | 15:18 PDT |
| Duration | 1h 28m |
| Aircraft | N231WN |
| Max altitude | 38,000 ft |
| Distance tracked | 561 nm |
Punctuality, last 30 days
| Flights | 12 |
| On time | 2 (17%) |
| Average delay | +33 min |
| Worst delay | +82 min |
In the last 30 days SWA3877 departed on time (within 15 minutes) on 2 of 12 flights (17%), with an average departure delay of +33 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.