Flight
UAL1721 22 Sep 2026
UAL1721, operated by United Airlines, on 22 Sep 2026: San Francisco International (KSFO) to Upolu (PHUP). Scheduled and actual times are local to each airport (hover for UTC).
Flightestimated
PlaneTrack receiver network| Route | KSFO SAN FRANCISCO INTERNATIONAL → PHUP UPOLU |
| Status | Completed (receiver network) |
| First seen airborne | 08:15 PDT |
| Last seen | 10:10 HST |
| Duration | 4h 55m |
| Aircraft | A12B53 |
| Max altitude | 33,000 ft |
| Distance tracked | 2,028 nm |
Punctuality, last 30 days
| Flights | 8 |
| On time | 2 (25%) |
| Average delay | +19 min |
| Worst delay | +27 min |
In the last 30 days UAL1721 departed on time (within 15 minutes) on 2 of 8 flights (25%), with an average departure delay of +19 min and a worst delay of +27 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.