Flight
UAL4211 29 Mar 2026
UAL4211, operated by United Airlines, on 29 Mar 2026, 2 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 2estimated
PlaneTrack receiver network| Route | KBFI BOEING FLD KING CO INTERNATIONAL → ? |
| Status | Completed (receiver network) |
| First seen airborne | 13:55 PDT |
| Last seen | 21:58Z |
| Duration | 1h 02m |
| Aircraft | A12B0A |
| Max altitude | 37,025 ft |
Leg 2 of 2estimated
PlaneTrack receiver network| Route | KBFI BOEING FLD KING CO INTERNATIONAL → KSEA SEATTLE TACOMA INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 15:22 PDT |
| Last seen | 15:42 PDT |
| Duration | 0h 19m |
| Aircraft | A12B0A |
| Max altitude | 15,000 ft |
| Distance tracked | 4 nm |
Punctuality, last 30 days
| Flights | 1 |
| On time | 0 (0%) |
| Average delay | +134 min |
| Worst delay | +134 min |
In the last 30 days UAL4211 departed on time (within 15 minutes) on 0 of 1 flight (0%), with an average departure delay of +134 min and a worst delay of +134 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.