Flight
UAL39 13 Sep 2026
UAL39, operated by United Airlines, on 13 Sep 2026: Los Angeles International (KLAX) to Tokyo International (RJTT), 2 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 2estimated
PlaneTrack receiver network| Route | KLAX LOS ANGELES INTERNATIONAL → RJTT TOKYO INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 17:06 PDT 12 Sep |
| Last seen | 14:28 JST |
| Duration | 5h 21m |
| Aircraft | N12021 |
| Max altitude | 36,000 ft |
| Distance tracked | 4,758 nm |
Leg 2 of 2estimated
PlaneTrack receiver network| Route | Route not recorded |
| Status | Completed (receiver network) |
| First seen airborne | 08:16Z |
| Last seen | 19:54Z |
| Duration | 11h 37m |
| Aircraft | N12021 |
| Max altitude | 35,000 ft |
Punctuality, last 30 days
| Flights | 8 |
| On time | 0 (0%) |
| Average delay | +31 min |
| Worst delay | +85 min |
In the last 30 days UAL39 departed on time (within 15 minutes) on 0 of 8 flights (0%), with an average departure delay of +31 min and a worst delay of +85 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.