United Airlines UA839 Flight status
According to Trip.com real-time data, the UA839 flight operated by United Airlines on Jul 10, 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)
Thu, Jul 9
Fri, Jul 10
Sat, Jul 11
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Scheduled
Your flight will depart on time.
15h 15m
Check-in Counter
--
Boarding Gate
76A
Arrival Gate
50
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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Scheduled
Your flight will depart on time.
15h 15m
Check-in Counter
--
Boarding Gate
--
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.
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UA199
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Shanghai (SHA) 
Los Angeles (LAX)
Los Angeles (LAX)Scheduled: 17:20
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UA839 Aircraft Details
According to Trip.com real-time data, the UA839 flight flying from Los Angeles to Sydney on 7/10/2026 is operated by the aircraft model Boeing 787-9. This aircraft has been in service for 11y, 10m. The aircraft is equipped with 252 seats.
Boeing 787-9
Punctuality (Departure)
17%
Punctuality (Arrival)
83%
Late on average
3 minutes
Age
11y, 10m
Seats
252
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 Thu, Jul 9 from LAX at approximately 22:45. This flight is expected to arrrive in SYD at 06:11.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Sun, Jul 5 | Los Angeles (LAX) | Sydney (SYD) | 789 | 23:26 | 06:46 | Arrived |
| Mon, Jul 6 | Los Angeles (LAX) | Sydney (SYD) | 789 | 23:55 | 07:57 | Arrived |
| Tue, Jul 7 | Los Angeles (LAX) | Sydney (SYD) | 789 | 23:41 | 07:07 | Arrived |
| Wed, Jul 8 | Los Angeles (LAX) | Sydney (SYD) | 789 | -- | -- | Cancelled |
| Thu, Jul 9 | Los Angeles (LAX) | Sydney (SYD) | 789 | 22:45 | 06:11 | Scheduled |
| Fri, Jul 10 | Los Angeles (LAX) | Sydney (SYD) | 789 | 22:45 | 07:00 | Scheduled |
| Sat, Jul 11 | 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 17% (Late on average 50 minutes), and the on-time arrival rate is 83% (Late on average 3 minutes).
On-Time Departures
Punctuality
17%
Late on average 50 minutes
Early
0%
On time
17%
30 mins late
63%
60 mins late
17%
90 mins late
3%
Cancelled
0%
On-Time Arrivals
Punctuality
83%
Late on average 3 minutes
Early
57%
On time
27%
30 mins late
10%
60 mins late
7%
90 mins late
0%
Cancelled
0%
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