Flight
UAL552 18 Sep 2026
UAL552, operated by United Airlines, on 18 Sep 2026: San Francisco International (KSFO) to Ontario International (KONT). Scheduled and actual times are local to each airport (hover for UTC).
Flightestimated
PlaneTrack receiver network| Route | KSFO SAN FRANCISCO INTERNATIONAL → KONT ONTARIO INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 21:55 PDT 17 Sep |
| Last seen | 23:22 PDT 17 Sep |
| Duration | 1h 27m |
| Aircraft | N37556 |
| Max altitude | 35,000 ft |
| Distance tracked | 315 nm |
Punctuality, last 30 days
| Flights | 14 |
| On time | 5 (36%) |
| Average delay | +26 min |
| Worst delay | +87 min |
In the last 30 days UAL552 departed on time (within 15 minutes) on 5 of 14 flights (36%), with an average departure delay of +26 min and a worst delay of +87 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.