Flight
SWA421 21 Aug 2025
SWA421, operated by Southwest Airlines, on 21 Aug 2025: San Francisco International (KSFO) to Austin Bergstrom International (KAUS). Scheduled and actual times are local to each airport (hover for UTC).
Flight
PlaneTrack receiver network| Route | KSFO SAN FRANCISCO INTERNATIONAL → KAUS AUSTIN BERGSTROM INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 00:08 PDT |
| Last seen | 18:32 CDT |
| Duration | 16h 23m |
| Aircraft | N478WN |
| Max altitude | 37,000 ft |
| Distance tracked | 1,304 nm |
Punctuality, last 30 days
| Flights | 8 |
| On time | 1 (12%) |
| Average delay | +25 min |
| Worst delay | +37 min |
In the last 30 days SWA421 departed on time (within 15 minutes) on 1 of 8 flights (12%), with an average departure delay of +25 min and a worst delay of +37 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.