United Airlines
UA821 Flight Status
According to Trip.com real-time data, the UA821 flight operated by United Airlines on Sep 6, 2026 is scheduled to fly from Bangkok (BKK) to Los Angeles (LAX). The flight is expected to depart at 3:45 PM (local time in Bangkok, UTC+7) and land at 8:20 PM (local time in Los Angeles, UTC-7) .
Sat, Sep 5
Sun, Sep 6
Mon, Sep 7
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Arrived
The flight has arrived 19m late
18h 35m
HKG
2h 38m
Check-in Counter
G
Boarding Gate
E3
Arrival Gate
74
Baggage
B
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Scheduled
Your flight will depart on time.
18h 35m
HKG
2h 37m
Check-in Counter
G
Boarding Gate
E3
Arrival Gate
76A
Baggage
--
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Scheduled
Your flight will depart on time.
18h 35m
Check-in Counter
--
Boarding Gate
--
Arrival Gate
76A
Baggage
--
Information provided by VariFlight
For real-time updates, please check airport displays or contact your airline.
You can also explore more flights from Bangkok to Los Angeles or track other flights with our flight status tracker.
Track the Previous Flight Status: Scheduled
UA820
|
Los Angeles (LAX)
Bangkok (BKK)
Bangkok (BKK)
Scheduled: 9:35 AM
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UA821 Aircraft Details
According to Trip.com real-time data, the UA821 flight flying from Bangkok to Los Angeles on 9/6/2026 is operated by the aircraft model Boeing 787-9. This aircraft has been in service for 9y, 7m. The aircraft is equipped with 257 seats.
Boeing 787-9
Punctuality (Departure)
80
%
Punctuality (Arrival)
100
%
Early on average
8 minutes
Age
9y, 7m
Seats
257
Flight Distance
--
Economy
Business
Premium Economy
In-Flight Services
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
In-Flight Services
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
In-Flight Services
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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Flight History for UA821
Trip.com historical records show that the last UA821 flight departed on Sat, Sep 5 from BKK at approximately 3:51 PM. This flight is expected to arrrive in LAX at 8:39 PM.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Tue, Sep 1 | Bangkok (BKK) | Los Angeles (LAX) | 789 | 4:00 PM | 8:47 PM | Arrived |
| Wed, Sep 2 | Bangkok (BKK) | Los Angeles (LAX) | 789 | 3:56 PM | 7:22 PM | Arrived |
| Thu, Sep 3 | Bangkok (BKK) | Los Angeles (LAX) | 789 | 4:02 PM | 8:02 PM | Arrived |
| Fri, Sep 4 | Bangkok (BKK) | Los Angeles (LAX) | 789 | 4:03 PM | 8:09 PM | Arrived |
| Sat, Sep 5 | Bangkok (BKK) | Los Angeles (LAX) | 789 | 3:51 PM | 8:39 PM | Arrived |
| Sun, Sep 6 | Bangkok (BKK) | Los Angeles (LAX) | 789 | 3:45 PM | 8:20 PM | Scheduled |
| Mon, Sep 7 | Bangkok (BKK) | Los Angeles (LAX) | 789 | 3:45 PM | 8:20 PM | Scheduled |
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UA821 On-Time Performance
Based on the average performance of this flight over the past 30 trips, the on-time departure rate of UA821 is 80% (Late on average 22 minutes), and the on-time arrival rate is 100% (Early on average 8 minutes).
On-Time Departures
Punctuality
80
%
Late on average
22 minutes
Early
0
%
On time
80
%
30 mins late
17
%
60 mins late
3
%
90 mins late
0
%
Canceled
0
%
On-Time Arrivals
Punctuality
100
%
Early on average
8 minutes
Early
70
%
On time
30
%
30 mins late
0
%
60 mins late
0
%
90 mins late
0
%
Canceled
0
%
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Frequently Asked Questions
-
What is the current status of flight ua821?
Flight ua821 has not departed yet and is currently on schedule. Scheduled departure 3:45 PM, arrival 8:20 PM (updated Sep 6, 2026). -
Is flight ua821 on time today?
Flight ua821 has not departed yet and is currently on schedule. Scheduled departure is 3:45 PM, with arrival at 8:20 PM. 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 3:45 PM. The latest actual or estimated departure time is 3:45 PM, and the current status is Scheduled (updated Sep 6, 2026). -
When is flight ua821 scheduled to arrive?
Flight ua821 is scheduled to arrive at 8:20 PM. The latest estimated or actual arrival time is 8:20 PM. Status is Scheduled as of Sep 6, 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 hours35 minutes; operating days may include Sunday. -
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 Sep 6, 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 3:45 PM.
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21°C - 32°C
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-14 hour time difference
Time on arrival: Bangkok 10:20
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