United Airlines UA839 Flight status
According to Trip.com real-time data, the UA839 flight operated by United Airlines on Sep 21, 2026 is scheduled to fly from Los Angeles (LAX) to Sydney (SYD). The flight is expected to depart at 22:50 (local time in Los Angeles, UTC-7) and arrive at 06:09 (local time in Sydney, UTC+10) .
Sun, Sep 20
Mon, Sep 21
Tue, Sep 22
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Scheduled
Your flight will depart on time.
15h 10m
Check-in Counter
--
Boarding Gate
74
Arrival Gate
36
Baggage
4
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Scheduled
Your flight will depart on time.
15h 10m
Check-in Counter
--
Boarding Gate
74
Arrival Gate
--
Baggage
--
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Scheduled
Your flight will depart on time.
15h 10m
Check-in Counter
--
Boarding Gate
--
Arrival Gate
--
Baggage
--
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Information provided by VariFlight For real-time updates, please check airport displays or contact your airline. 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 from Los Angeles to Sydney on 9/21/2026 is operated using the aircraft model Boeing 787-9. This aircraft has been in service for 11y, 11m. The aircraft has 257 seats.
Boeing 787-9
Punctuality (Departure)
27%
Punctuality (Arrival)
100%
Early on average
9 minutes
Age
11y, 11m
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 Sun, Sep 20 from LAX at approximately 22:50. This flight is expected to arrrive in SYD at 06:09.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Wed, Sep 16 | Los Angeles (LAX) | Sydney (SYD) | 789 | 23:13 | 06:25 | Arrived |
| Thu, Sep 17 | Los Angeles (LAX) | Sydney (SYD) | 789 | 23:40 | 06:47 | Arrived |
| Fri, Sep 18 | Los Angeles (LAX) | Sydney (SYD) | 789 | 23:44 | 06:48 | Arrived |
| Sat, Sep 19 | Los Angeles (LAX) | Sydney (SYD) | 789 | 23:29 | 06:34 | Arrived |
| Sun, Sep 20 | Los Angeles (LAX) | Sydney (SYD) | 789 | 22:50 | 06:09 | Scheduled |
| Mon, Sep 21 | Los Angeles (LAX) | Sydney (SYD) | 789 | 22:50 | 06:09 | Scheduled |
| Tue, Sep 22 | Los Angeles (LAX) | Sydney (SYD) | 789 | 22:50 | 07:00 | Scheduled |
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UA839 On-Time Performance
Based on the average performance of this flight over the last 30 trips, the on-time departure rate of UA839 is 27% (Late on average 41 minutes), and the on-time arrival rate is 100% (Early on average 9 minutes).
On-Time Departures
Punctuality
27%
Late on average 41 minutes
Early
0%
On time
27%
30 mins late
57%
60 mins late
17%
90 mins late
0%
Cancelled
1%
On-Time Arrivals
Punctuality
100%
Early on average 9 minutes
Early
73%
On time
27%
30 mins late
0%
60 mins late
0%
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 22:50, arrival 07:00 (updated Sep 21, 2026).Is flight ua839 on time today?
Flight ua839 has not departed yet and is currently on schedule. Scheduled departure is 22:50, 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 22:50. The latest actual or estimated departure time is 22:50, and the current status is Scheduled (updated Sep 21, 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 06:09. Status is Scheduled as of Sep 21, 2026.What is the gate information for flight ua839?
For flight ua839, the departure terminal is T7 and the boarding gate is 74. 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 10 minutes; operating days may include Monday.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 Sep 21, 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 22:50.What is the seat configuration for flight ua839?
Flight ua839 usually flies a Boeing 787-9 with seat layout 3-3-3. 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
Clear
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17 hour time difference
Time on arrival: Los Angeles 14:00| Sydney 07:00
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