Flight

UAL821 12 Sep 2026

UAL821, operated by United Airlines, on 12 Sep 2026: Los Angeles International (KLAX) to Hong Kong International (VHHH), 2 legs. Scheduled and actual times are local to each airport (hover for UTC).

← 11 Sep 2026All UAL821 flights13 Sep 2026 →

Leg 1 of 2estimated

PlaneTrack receiver network
RouteKLAX LOS ANGELES INTERNATIONAL → VHHH HONG KONG INTERNATIONAL
StatusCompleted (receiver network)
First seen airborne18:50 PDT 11 Sep
Last seen19:20 HKT
Duration9h 30m
AircraftN29961
Max altitude39,000 ft
Distance tracked6,298 nm

Leg 2 of 2estimated

PlaneTrack receiver network
RouteVHHH HONG KONG INTERNATIONAL → PHJR Kalaeloa Airport
StatusCompleted (receiver network)
First seen airborne22:16 HKT
Last seen08:04 HST
Duration3h 48m
AircraftA31A7B
Max altitude35,000 ft
Distance tracked4,823 nm

Punctuality, last 30 days

Flights1
On time0 (0%)
Average delay+741 min
Worst delay+741 min

In the last 30 days UAL821 departed on time (within 15 minutes) on 0 of 1 flight (0%), with an average departure delay of +741 min and a worst delay of +741 min.

UAL821 flight history Full history CSV API access

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.