United Airlines
UA839 Flight status
According to Trip.com real-time data, the UA839 flight operated by United Airlines on Aug 20, 2026 is scheduled to fly from Los Angeles (LAX) to Sydney (SYD). The flight is expected to depart at 22:45 (local time in Los Angeles, UTC-7) and land at 07:00 (local time in Sydney, UTC+10)
Wed, Aug 19
Thu, Aug 20
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Scheduled
Your flight will depart on time.
15h 15m
Check-in Counter
--
Boarding Gate
72A
Arrival Gate
54
Baggage
4
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Scheduled
Your flight will depart on time.
15h 15m
Check-in Counter
--
Boarding Gate
76A
Arrival Gate
--
Baggage
--
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Information provided by VariFlight.VariFlight.
Please refer to airport announcements for the most up-to-date information.
You can also explore more flights from Los Angeles to Sydney or track other flights with our flight status tracker.
UA839 Aircraft Details
According to Trip.com real-time data, the UA839 flight flying from Los Angeles to Sydney on 8/20/2026 is operated by the aircraft model Boeing 787-9. This aircraft has been in service for 10y, 6m. The aircraft is equipped with 257 seats.
Boeing 787-9
Punctuality (Departure)
13
%
Punctuality (Arrival)
83
%
Early on average
1 minute
Age
10y, 6m
Seats
257
Flight Distance
--
Economy
Business
Premium Economy
In-Flight Services
Meal included
Seatback entertainment system
Wi-Fi (additional charge)
USB port and power outlet
Seat Information
81 cm
More legroom than on 75% of flights
--
Seat width
100°
Reclining Angle
3-3-3
Seat layout example
In-Flight Services
Meal included
Seatback entertainment system
Wi-Fi (additional charge)
USB port and power outlet
Seat Information
198 cm
More legroom than on 25% of flights
52 cm
Seat width better than on 25% of flights
180°
Reclining Angle
Fully reclinable
1-2-1
Seat layout example
In-Flight Services
Meal included
Seatback entertainment system
Wi-Fi (additional charge)
USB port and power outlet
Seat Information
89 cm
Legroom
44 cm
Seat width
110°
Reclining Angle
2-3-2
Seat layout example
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Flight History for UA839
Trip.com historical records show that the last UA839 flight departed on Wed, Aug 19 from LAX at approximately 22:45. This flight is expected to arrrive in SYD at 06:02.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Fri, Aug 14 | Los Angeles (LAX) | Sydney (SYD) | 789 | 23:44 | 07:23 | Arrived |
| Sat, Aug 15 | Los Angeles (LAX) | Sydney (SYD) | 789 | 23:53 | 07:17 | Arrived |
| Sun, Aug 16 | Los Angeles (LAX) | Sydney (SYD) | 789 | 23:24 | 06:34 | Arrived |
| Mon, Aug 17 | Los Angeles (LAX) | Sydney (SYD) | 789 | 23:21 | 06:37 | Arrived |
| Tue, Aug 18 | Los Angeles (LAX) | Sydney (SYD) | 789 | -- | -- | Cancelled |
| Wed, Aug 19 | Los Angeles (LAX) | Sydney (SYD) | 789 | 22:45 | 06:02 | Scheduled |
| Thu, Aug 20 | Los Angeles (LAX) | Sydney (SYD) | 789 | 22:45 | 07:00 | Scheduled |
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UA839 On-Time Performance
Based on the average performance of this flight over the past 30 trips, the on-time departure rate of UA839 is 13% (Late on average 56 minutes), and the on-time arrival rate is 83% (Early on average 1 minute).
On-Time Departures
Punctuality
13
%
Late on average
56 minutes
Early
0
%
On time
13
%
30 mins late
47
%
60 mins late
27
%
90 mins late
13
%
Cancelled
1
%
On-Time Arrivals
Punctuality
83
%
Early on average
1 minute
Early
60
%
On time
23
%
30 mins late
13
%
60 mins late
3
%
90 mins late
0
%
Cancelled
1
%
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Flight FAQs
-
What is the current status of flight ua839?
Flight ua839 has not departed yet and is currently on schedule. Scheduled departure 22:45, arrival 07:00 (updated Aug 20, 2026). -
Is flight ua839 on time today?
Flight ua839 has not departed yet and is currently on schedule. Scheduled departure is 22:45, with arrival at 07:00. Recheck gate and timing before you head to the airport. -
Has flight ua839 departed yet? What is the departure time?
Flight ua839 is scheduled to depart at 22:45. The latest actual or estimated departure time is 22:45, and the current status is Scheduled (updated Aug 20, 2026). -
When is flight ua839 scheduled to arrive?
Flight ua839 is scheduled to arrive at 07:00. The latest estimated or actual arrival time is 07:00. Status is Scheduled as of Aug 20, 2026. -
What is the gate information for flight ua839?
For flight ua839, the departure terminal is T7 and the boarding gate is 76A. Gate assignments can change at short notice—confirm on airport screens before heading to security. -
What route does flight ua839 fly?
Flight ua839 is operated by United Airlines from Los Angeles (LAX) to Sydney (SYD). Typical flight time is about 15 hours 15 minutes; operating days may include Thursday. -
How can I check real-time status for flight ua839?
Track flight ua839 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 ua839 is delayed or canceled, what should I do?
If ua839 is delayed or canceled, first confirm the latest status here (Scheduled, updated Aug 20, 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 ua839 departed from Los Angeles?
Flight ua839 has not departed from Los Angeles (LAX) yet and is currently on schedule for 22:45. -
What is the seat configuration for flight ua839?
Flight ua839 usually flies a Boeing 787-9 with seat layout 257. Layouts can differ by aircraft subtype and cabin product—confirm your seat map in Manage Booking after you purchase.
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Arrival Info: Sydney Weather & Current Time
Partly clear with showers
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14°C - 22°C
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17 hour time difference
Time on arrival: Los Angeles 14:00
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