United Airlines UA821 Flight Status
According to Trip.com latest record on status for United Airlines flight UA821 from Bangkok to Los Angeles (BKK-LAX): Flights for Oct 22, 2026 are scheduled, with the next departure slated for 15:45 from BKK and an expected arrival at 20:10 at LAX .
Wed, Oct 21
Thu, Oct 22
Fri, Oct 23
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Arrived
The flight arrived 20m early.
18h 25m
HKG
2h 26m
Check-in Counter
G
Boarding Gate
E8
Arrival Gate
74
Baggage
B
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Scheduled
Your flight will depart on time.
18h 25m
HKG
2h 43m
Check-in Counter
G
Boarding Gate
E8
Arrival Gate
68B
Baggage
--
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United Airlines From €500
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Scheduled
Your flight will depart on time.
18h 25m
HKG
2h
Check-in Counter
--
Boarding Gate
--
Arrival Gate
76A
Baggage
--
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UA821
Flight.News
A Beach Hazards Statement remains in effect for Los Angeles County beaches through late Thursday night. Elevated surf of 3 to 6 feet will generate dangerous rip currents and breaking waves, creating an increased risk of drowning and hazardous conditions that can wash people off beaches and rocks. Minor beach erosion and tidal overflows are also possible along south-facing beaches.
Track the Previous Flight Status: Scheduled
UA820
|
Los Angeles (LAX)
Bangkok (BKK)
Bangkok (BKK)
Scheduled: 09:35
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UA821 Aircraft Specifications
According to Trip.com real-time data, the UA821 flight from Bangkok to Los Angeles on 10/22/2026 is operated using the aircraft model Boeing 787-9. This aircraft has been in service for 10y, 4m. The aircraft has 257 seats.
Boeing 787-9
On-Time Departure
80
%
On-Time Arrival
97
%
Avg. Early
38 minutes
Aircraft Age
10y, 4m
Total Seats
257
Flight Distance
--
Economy
Business
Premium Economy
Cabin Amenities
Meal included
On-demand entertainment
Wi-Fi is available
USB port and power outlet
Seat Information
81 cm
Legroom
--
Seat width
100°
Reclining Angle
--
Seat layout example
Cabin Amenities
Meal included
On-demand entertainment
Wi-Fi is available
USB port and power outlet
Seat Information
198 cm
Legroom
52 cm
Seat width
180°
Reclining Angle
Fully reclinable
--
Seat layout example
Cabin Amenities
Meal included
On-demand entertainment
Wi-Fi is available
USB port and power outlet
Seat Information
89 cm
Legroom
44 cm
Seat width
110°
Reclining Angle
--
Seat layout example
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UA821 Flight History
Trip.com historical records show that the last UA821 flight departed on Wed, Oct 21 from BKK at approximately 16:02. This flight is expected to arrrive in LAX at 19:50.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Sat, Oct 17 | Bangkok (BKK) | Los Angeles (LAX) | 789 | 16:24 | 19:13 | Arrived |
| Sun, Oct 18 | Bangkok (BKK) | Los Angeles (LAX) | 789 | 15:57 | 19:34 | Arrived |
| Mon, Oct 19 | Bangkok (BKK) | Los Angeles (LAX) | 789 | 16:14 | 20:05 | Arrived |
| Tue, Oct 20 | Bangkok (BKK) | Los Angeles (LAX) | 789 | 16:02 | 19:59 | Arrived |
| Wed, Oct 21 | Bangkok (BKK) | Los Angeles (LAX) | 789 | 16:02 | 19:50 | Arrived |
| Thu, Oct 22 | Bangkok (BKK) | Los Angeles (LAX) | 789 | 15:45 | 20:10 | Scheduled |
| Fri, Oct 23 | Bangkok (BKK) | Los Angeles (LAX) | 789 | 15:45 | 20:10 | Scheduled |
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UA821 On-Time Performance
Based on the average performance of this flight over the last 30 trips, the on-time departure rate of UA821 is 80% (Late on average 23 minutes), and the on-time arrival rate is 97% (Early on average 38 minutes).
On-Time Departures
Punctuality
80
%
Late on average
23 minutes
Early
0
%
On time
80
%
30 mins late
13
%
60 mins late
7
%
90 mins late
0
%
Cancelled
0
%
On-Time Arrivals
Punctuality
97
%
Early on average
38 minutes
Early
90
%
On time
7
%
30 mins late
0
%
60 mins late
3
%
90 mins late
0
%
Cancelled
0
%
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Flight FAQs
What is the current status of flight ua821?
Flight ua821 has not departed yet and is currently on schedule. Scheduled departure 15:45, arrival 20:10 (updated Oct 22, 2026).Is flight ua821 on time today?
Flight ua821 has not departed yet and is currently on schedule. Scheduled departure is 15:45, with arrival at 20:10. Recheck gate and timing before you head to the airport.Has flight ua821 departed yet? What is the departure time?
Flight ua821 is scheduled to depart at 15:45. The latest actual or estimated departure time is 15:45, and the current status is Scheduled (updated Oct 22, 2026).When is flight ua821 scheduled to arrive?
Flight ua821 is scheduled to arrive at 20:10. The latest estimated or actual arrival time is 20:10. Status is Scheduled as of Oct 22, 2026.What route does flight ua821 fly?
Flight ua821 is operated by United Airlines from Bangkok (BKK) to Los Angeles (LAX). Typical flight time is about 18 hours 25 minutes; operating days may include Thursday.How can I check real-time status for flight ua821?
Track flight ua821 on this Trip.com status page for live departure, arrival, gate and baggage updates. For push alerts on the go, open the same flight in the Trip.com App and turn on flight notifications.If flight ua821 is delayed or canceled, what should I do?
If ua821 is delayed or canceled, first confirm the latest status here (Scheduled, updated Oct 22, 2026). Contact United Airlines or your booking channel for rebooking or refund options, and check Trip.com Manage Booking if you booked on Trip.com.Has flight ua821 departed from Bangkok?
Flight ua821 has not departed from Bangkok (BKK) yet and is currently on schedule for 15:45.
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Time on arrival: Bangkok 10:10
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