Flight
UAL1721 10 Sep 2026
UAL1721, operated by United Airlines, on 10 Sep 2026, 2 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 2partial
PlaneTrack receiver network| Route | KSFO SAN FRANCISCO INTERNATIONAL → ? |
| Status | Partial record (receiver network) |
| First seen airborne | 08:12 PDT |
| Aircraft | A12B32 |
Leg 2 of 2estimated
PlaneTrack receiver network| Route | KSFO SAN FRANCISCO INTERNATIONAL → PHUP UPOLU |
| Status | Completed (receiver network) |
| First seen airborne | 10:41 PDT |
| Last seen | 13:06 HST |
| Duration | 5h 24m |
| Aircraft | A12B32 |
| Max altitude | 34,000 ft |
| Distance tracked | 2,028 nm |
Punctuality, last 30 days
| Flights | 6 |
| On time | 1 (17%) |
| Average delay | +20 min |
| Worst delay | +27 min |
In the last 30 days UAL1721 departed on time (within 15 minutes) on 1 of 6 flights (17%), with an average departure delay of +20 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.