Flight
SWA3877 25 Apr 2026
SWA3877, operated by Southwest Airlines, on 25 Apr 2026: San Francisco International (KSFO) to Phoenix Sky Harbor International (KPHX), 2 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 2estimated
PlaneTrack receiver network| Route | KSFO SAN FRANCISCO INTERNATIONAL → KPHX PHOENIX SKY HARBOR INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 17:45 PDT 24 Apr |
| Last seen | 20:00 MST 24 Apr |
| Duration | 2h 14m |
| Aircraft | N8848Q |
| Max altitude | 37,000 ft |
| Distance tracked | 561 nm |
Leg 2 of 2
PlaneTrack receiver network| Route | KPHX PHOENIX SKY HARBOR INTERNATIONAL → KSAT SAN ANTONIO INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 20:52 MST 24 Apr |
| Last seen | 00:32 CDT |
| Duration | 1h 39m |
| Aircraft | N8848Q |
| Max altitude | 39,000 ft |
| Distance tracked | 730 nm |
Punctuality, last 30 days
| Flights | 10 |
| On time | 1 (10%) |
| Average delay | +34 min |
| Worst delay | +82 min |
In the last 30 days SWA3877 departed on time (within 15 minutes) on 1 of 10 flights (10%), with an average departure delay of +34 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.