Informational Guide to LAX Airport - NON OFFICIAL

UA839 United Airlines - Flight Status

Codeshare Flights
The flight LX3092 from Swiss (LX) is a codeshare flight operated by United Airlines (UA) under the flight number UA839. Check this page for details about flight UA839.

Below, you can find details about United Airlines flight UA839, which currently operates between the airports of Los Angeles - Los Angeles International Airport (Airport Code LAX) and Sydney - Sydney Kingsford Smith International Airport (Airport Code SYD).
This flight data pertains specifically to the flight's details for Friday, August 01, 2025.

UA839 On Time performance:
n/a
It is not possible to calculate the On-Time Performance for this flight accurately due to insufficient or non-representative data, as doing so could lead to misleading conclusions.

Flight Status

UA839 United Airlines to Sydney

Scheduled - On-time
Flight Status for Friday August 01, 2025
This flight was also scheduled for Yesterday (July 31, 2025). See it here
This flight is also scheduled for Tomorrow (August 02, 2025). See it here

Airline information

United Airlines
United Airlines
Equipment: Boeing 787-9

Departure

Los Angeles (LAX)
August 01, 2025
Los Angeles International Airport
Estimated Departure Time:
10:50 pm
Terminal:
7
Gate:
72A
Scheduled Departure Time: 10:50 pm

Arrival

Sydney (SYD)
August 03, 2025
Sydney Kingsford Smith International Airport
Estimated Arrival Time:
07:00 am
Terminal:
1
Gate:
-
Scheduled Arrival Time: 07:00 am
Disclaimer
The information displayed on this website is gathered from third-party providers with a wide reputation on the sector, which in turn obtain the information from the airlines. This data is provided only for informative purposes. www.los-angeles-airport.com assumes no responsibility for loss or damage as a result of relying on information posted here. Please contact your airline to verify flight status.

Codeshare Flights

This flight is shared with other airlines, this means that these other flights are the same:

- AV2190 - Avianca

- LH7590 - Lufthansa

- LX3092 - Swiss

- NZ9839 - Air New Zealand

- VA8001 - Virgin Australia

Additional Information

Which is the frequency of flight UA839?
The flight UA839 is scheduled to flight on daily basis.

Which is the distance of flight UA839?
The distance between the two airports is 7496 miles.

Are the departure airport and arrival airport at the same Time Zone?
No, each airport is in a different timezone. The times shown above, are presented in the local time of each respective airport.
Current Time in Los Angeles: 2025-08-01 16:13:19
Current Time in Sydney: 2025-08-02 09:13:19

Alternative Flights

The following airlines serves the same route between Los Angeles and Sydney:

American Airlines
- Flight Number: AA73.

Delta Air Lines
- Flight Number: DL41.

Qantas
- Flight Number: QF12.

Singapore Airlines
- Flight Number: SQ7409. (On Time performance: 17 - Average Delay: 41 minutes)
- Flight Number: SQ7443.
- Flight Number: SQ7449. (On Time performance: 62 - Average Delay: 24 minutes)

Punctuality and delays

It is not possible to calculate the On-Time Performance for this flight accurately due to insufficient or non-representative data, as doing so could lead to misleading conclusions.

Delays analyzed by Week: It is not possible to calculate the On-Time Performance for this flight accurately by weekday due to insufficient or non-representative data, as doing so could lead to misleading conclusions
Delays analyzed by Month: We have gathered available data from last twelve closed months, spanning from July 02, 2024 to June 30, 2025. Next, you can observe the results broken down by month: number of flights analyzed, on-time performance per month, and average delay per month.

Note: We have excluded some months from the graph, since the quantity and quality of the data is not representative enough.

Last Past Flights UA839

Date
Departure
Arrival
Duration
Aircraft
Status
Saturday
02 August
11:03 pm
Los Angeles (LAX)
07:11 am
Sydney (SYD)
15h 08min
Boeing 787-9
Boeing 787-9
- On-time
Friday
01 August
11:12 pm
Los Angeles (LAX)
06:39 am
Sydney (SYD)
14h 27min
Boeing 787-9
Boeing 787-9
- On-time
Thursday
31 July
11:01 pm
Los Angeles (LAX)
06:49 am
Sydney (SYD)
14h 48min
Boeing 787-9
Boeing 787-9
- On-time
Wednesday
30 July
12:52 am
()
09:21 am
Sydney (SYD)
Boeing 787-9
Boeing 787-9
- DIVERTED
Wednesday
30 July
11:03 pm
Los Angeles (LAX)
03:35 pm
Los Angeles (LAX)
Boeing 787-9
Boeing 787-9
- DIVERTED
Tuesday
29 July
11:20 pm
Los Angeles (LAX)
07:39 am
Sydney (SYD)
Boeing 787-9
Boeing 787-9
- Delayed
Monday
28 July
11:06 pm
Los Angeles (LAX)
07:28 am
Sydney (SYD)
Boeing 787-9
Boeing 787-9
- Delayed
Sunday
27 July
11:52 pm
Los Angeles (LAX)
07:55 am
Sydney (SYD)
Boeing 787-9
Boeing 787-9
- Delayed
Saturday
26 July
11:03 pm
Los Angeles (LAX)
07:21 am
Sydney (SYD)
Boeing 787-9
Boeing 787-9
- Delayed
Friday
25 July
11:28 pm
Los Angeles (LAX)
08:11 am
Sydney (SYD)
Boeing 787-9
Boeing 787-9
- Delayed