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UA821 Flight Information & Schedule

United Airlines · Hong Kong International Airport (HKG) to Los Angeles International Airport (LAX)

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UA821 Hong Kong International Airport to Los Angeles International Airport nonstop flight: schedule, airports, aircraft and travel guide.

UA821 Flight Overview

UA821 is operated by United Airlines and connects Hong Kong International Airport (HKG) and Los Angeles International Airport (LAX). Scheduled departure: 2026-10-29 22:45 (UTC+08:00); scheduled arrival: 2026-10-29 20:30 (UTC-07:00).

AirlineUnited Airlines
Flight numberUA821
RouteHKG to LAX
Scheduled duration12 hr 45 min

Hong Kong to Los Angeles Route Information

UA821 is a nonstop international flight from Hong Kong International Airport (HKG) to Los Angeles International Airport (LAX). Use the information below to plan your journey.

Route distanceApprox. 11,681 km
Scheduled flight time12 hr 45 min
Time difference-900 min
Flight typeInternational
01

Departure

Scheduled departure: 2026-10-29 22:45 (UTC+08:00). Confirm airport transport and terminal opening hours in advance.

02

Arrival

Scheduled arrival: 2026-10-29 20:30 (UTC-07:00). Arrange pickup, hotel and onward transport for the arrival date.

03

Time zones

Departure: Hong Kong (UTC+08:00); arrival: Los Angeles (UTC-07:00).

UA821 On-time Performance & History

Methodology

77%Arrival on-time rate
Sample flights77 (flights)
Average departure delay-
Average arrival early-
Cancllation rate-
Longest delay975 min
Early arrivals-

Historical statistics are for reference only and do not predict future flight performance.

Aircraft, Cabin & Services

Based on currently published aircraft and cabin information; the operating aircraft may change.

Published aircraft type

Boeing 787

Economy 32 in; Business 78 in

Seat layout257

Business Class1-2-1

78 in

Seat configuration depends on the operating aircraft

Economy Class3-3-3

32 in

MealsFree snacks on flights over 300 miles; food and alcohol for purchase in economy

Inflight entertainmentOn-demand entertainment

Inflight Wi-FiWi-Fi is available

Availability and fees depend on the flight

PowerBusiness: USB port and power outlet; Economy: USB port and power outlet

BassinetAvailable

Accessibility-

UA821 Airports

Terminals follow the published schedule; check official airline channels for same-day gates and operations.

Hong Kong International Airport Departure & Los Angeles International Airport Arrival Guide

Departure date: 2026-10-29. Terminal and arrival information helps plan your journey.

HKG

Departing from Hong Kong International Airport

UA821 is scheduled to depart from . Allow time for international check-in, baggage drop, security and immigration.

LAX

Arriving at Los Angeles International Airport

Scheduled arrival is at T7. After immigration, take the MRT, taxi, ride-hailing service or airport bus to the city.

 

Planning your arrival

Scheduled arrival: 2026-10-29 20:30. Use the arrival date when booking hotels and pickup services.

Flight Changes, Cancellations & Missed Flights

If the schedule or aircraft changes, follow the booking channel and operating carrier rules.

01

Schedule changes

After an airline or booking-platform notice, confirm the new date, terminal and connecting transport.

02

Cancellation and changes

Refund, rebooking and involuntary-change rules depend on the booking channel, fare conditions and airline notice.

03

Missed flight

If you may not reach the airport on time, contact the booking channel or airline quickly to protect later sectors.

Check-in, Baggage & Entry Tips

International check-in deadlines, baggage allowance and entry requirements may vary by fare and traveller.

01

Arrive early for check-in

Arrive at least 3 hours before departure. Counter opening times and online check-in rules follow Hong Kong International Airport guidance.

02

Check baggage allowance

Checked and carry-on baggage allowances depend on cabin, fare rules and membership tier. See the baggage terms in your booking.

03

Prepare entry documents

Before departure, check passport validity, visa or visa-free eligibility, andLos Angeles International Airport’ latest arrival declaration requirements.

What should I check before flying UA821?

01

Check the departure date

For an overnight flight, check the departure date on your ticket and plan airport transport in advance.

02

Confirm the operating carrier

Follow the airline rules shown in your booking for check-in and checked baggage.

03

Check boarding information

Gates and operating times may change; follow airline notices and airport displays.

Popular route recommendations

UA821 Frequently Asked Questions

Which airline operates this flight?

UA821 is operated by United Airlines.

Where does it depart and arrive?

Hong Kong International Airport (HKG) → Los Angeles International Airport (LAX).

What are the departure and arrival times?

Scheduled departure 22:45, arrival 20:30 · 12 hours 45 minutes.

Which terminal is used for check-in?

Departure terminal No data, arrival terminal T7. Check-in, gate and baggage belt are announced on the day.

Are meals and inflight entertainment available?

Meals: Free snacks on flights over 300 miles; food and alcohol for purchase in economy. Inflight entertainment: On-demand entertainment.

Explore This Route

Departure airportFlights from Hong Kong International Airport
Arrival airportLos Angeles International Airport information
Operating airlineUnited Airlines information