Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL821

Operated by UAL

Live map

Live map filtered to UAL821. Shown when the flight is currently airborne.

Route airports View route page →

Departure

HKG VHHH VFR

Hong Kong International Airport

Hong Kong, HK

Local time
10:00 GMT+8
Timezone
Asia/Hong_Kong
Type
Large Airport
Elevation
28 ft
Coordinates
22.3118, 113.9149

cloud Weather

Wind
160° / 8 kt
Visibility
6 SM
Ceiling
FEW 1,000 ft, SCT 2,000 ft
Temp / Dew
28°C / 22°C
Altimeter
29.85 inHg

Obs: 2026-04-15T01:30:00.000Z

Raw METAR / TAF 
METAR VHHH 150130Z 16008KT 140V200 9999 FEW010 SCT020 28/22 Q1011 NOSIG

TAF VHHH 142300Z 1500/1606 18010KT 9999 FEW010 SCT025 TX29/1506Z TX29/1606Z TN26/1522Z TEMPO 1500/1503 VRB05KT

flight Live Traffic

flight_takeoff 17 Departures
flight_land 7 Arrivals

Arrival

LAX KLAX VFR

Los Angeles International Airport

Los Angeles, US

Local time
19:00 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
125 ft
Coordinates
33.9425, -118.4080

cloud Weather

Wind
260° / 13 kt
Visibility
10 SM
Ceiling
FEW 1,500 ft, FEW 7,000 ft
Temp / Dew
18°C / 12°C
Altimeter
30.03 inHg

Obs: 2026-04-15T00:53:00.000Z

Raw METAR / TAF 
METAR KLAX 150053Z 26013KT 10SM FEW015 FEW070 18/12 A3003 RMK AO2 SLP168 T01830117

TAF KLAX 142339Z 1500/1606 25015KT P6SM SKC FM150400 26008KT P6SM SKC FM150800 VRB03KT P6SM SKC FM151200 VRB03KT 6SM BR BKN007 FM151600 VRB03KT P6SM SCT007 FM151800 24006KT P6SM SCT250 FM152000 26012KT P6SM SCT250 FM160400 26006KT P6SM SCT250

flight Live Traffic

flight_takeoff 273 Departures
flight_land 341 Arrivals

Recent history last 6

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-04-14 A22D9F SFO → MEX Apr 14, 09:10 UTCApr 14, 09:20 UTC10m - -
2026-04-13 A31A73 SFO → MEX Apr 13, 16:55 UTCApr 13, 17:40 UTC45m - -
2026-04-13 A31A73 SFO → MEX Apr 13, 14:06 UTCApr 14, 02:51 UTC12h 45m +21m +9m
2026-04-13 A31A73 SFO → MEX Apr 13, 09:05 UTCApr 13, 11:25 UTC2h 20m -280m +12m
2026-04-13 A0EEEA SFO → MEX Apr 13, 01:15 UTCApr 13, 02:25 UTC1h 10m - -
2026-04-12 A0EEEA SFO → MEX Apr 12, 17:15 UTCApr 12, 17:40 UTC25m - -

Performance history

Flights tracked
6
Avg arrival delay
+11m
On-time arrival
100% 100% on time
Aircraft used
3

Monthly activity 1 month

Month Flights tracked
April 2026 6

UAL821 frequently asked

Where does flight UAL821 fly?
UAL821 (UAL) flies from HKG to LAX. View the full route page.
How long is flight UAL821?
Based on observed flights, UAL821 takes on average 2h 56m from takeoff to landing.
How often does UAL821 fly?
UAL821 has been observed flying occasionally in our tracking data. We've recorded 6 flights under this callsign.
Is flight UAL821 usually on time?
Across recent flights, UAL821 arrives with an average 11-minute delay. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL821?
UAL821 has been operated by 3 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL821 live?
Yes. When UAL821 is currently airborne, the live tracker map above shows its real-time position from ADS-B broadcasts. If the map is empty, the flight is not currently in the air.