Flight
SWA1821 28 Apr 2026
SWA1821, operated by Southwest Airlines, on 28 Apr 2026: San Antonio International (KSAT) to Phoenix Sky Harbor International (KPHX). Scheduled and actual times are local to each airport (hover for UTC).
Flightestimated
PlaneTrack receiver network| Route | KSAT SAN ANTONIO INTERNATIONAL → KPHX PHOENIX SKY HARBOR INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 11:10 CDT |
| Last seen | 11:26 MST |
| Duration | 2h 16m |
| Aircraft | N8561Z |
| Max altitude | 28,000 ft |
Punctuality, last 30 days
| Flights | 6 |
| On time | 2 (33%) |
| Average delay | -178 min |
| Worst delay | +64 min |
In the last 30 days SWA1821 departed on time (within 15 minutes) on 2 of 6 flights (33%), with an average departure delay of -178 min and a worst delay of +64 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.