Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL839

Operated by UAL

Live map

Live map filtered to UAL839. Shown when the flight is currently airborne.

Route airports View route page →

Departure

LAX KLAX VFR

Los Angeles International Airport

Los Angeles, US

Local time
08:12 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
125 ft
Coordinates
33.9425, -118.4080

cloud Weather

Wind
0° / 0 kt
Visibility
10 SM
Ceiling
FEW 12,000 ft, FEW 18,000 ft, SCT 24,000 ft
Temp / Dew
26°C / 20°C
Altimeter
29.87 inHg

Obs: 2026-08-28T14:53:00.000Z

Raw METAR / TAF 
METAR KLAX 281453Z 00000KT 10SM FEW120 FEW180 SCT240 26/20 A2987 RMK AO2 SLP113 T02560200 51014

TAF KLAX 281428Z 2814/2918 29005KT P6SM FEW200 FM281700 26006KT P6SM BKN150 FM281900 26012KT P6SM BKN150 FM290300 26006KT P6SM SCT250

flight Live Traffic

flight_takeoff 159 Departures
flight_land 229 Arrivals

Arrival

SYD YSSY VFR

Sydney Kingsford Smith International Airport

Sydney (Mascot), AU

Local time
01:12 GMT+10
Timezone
Australia/Sydney
Type
Large Airport
Elevation
21 ft
Coordinates
-33.9461, 151.1770

cloud Weather

Wind
240° / 6 kt
Visibility
6 SM
Ceiling
CLR
Temp / Dew
14°C / 11°C
Altimeter
30.38 inHg

Obs: 2026-08-28T15:00:00.000Z

Raw METAR / TAF 
METAR YSSY 281500Z AUTO 24006KT 9999 // NCD 14/11 Q1029

TAF YSSY 281402Z 2815/2918 30006KT 9999 SCT025 FM282100 30006KT 9999 -SHRA SCT020 FM290000 17012KT 9999 -SHRA SCT025 FM290300 15010KT 9999 NSW FEW025 FM290900 11005KT 9999 FEW020 FM291200 30006KT 9999 SCT020

flight Live Traffic

flight_takeoff 2 Departures
flight_land 8 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-26 A18CBB LAX → SYD Jul 26, 06:10 UTCJul 26, 20:40 UTC14h 31m - -
2026-07-25 A43100 LAX → SYD Jul 25, 06:55 UTCJul 25, 21:05 UTC14h 10m - -
2026-07-24 A254DA LAX → SYD Jul 24, 07:25 UTCJul 24, 21:55 UTC14h 30m - -
2026-07-23 A31A76 LAX → SYD Jul 23, 06:30 UTCJul 23, 21:00 UTC14h 30m - -
2026-07-23 A31A76 LAX → SYD Jul 23, 06:24 UTCJul 23, 20:51 UTC14h 27m +39m -2m
2026-07-22 A31A50 LAX → SYD Jul 22, 19:00 UTCJul 22, 22:00 UTC3h 0m - -
2026-07-22 A31A50 LAX → SYD Jul 22, 07:24 UTCJul 22, 21:58 UTC14h 34m +99m -1m
2026-07-21 A254F7 - Jul 21, 07:00 UTCJul 21, 07:20 UTC20m - -
2026-07-21 A254F7 LAX → SYD Jul 21, 06:39 UTCJul 21, 21:18 UTC14h 39m +54m -12m
2026-07-20 A22D7B - Jul 20, 07:15 UTCJul 20, 21:30 UTC14h 15m - -
2026-07-19 A2A41E - Jul 19, 06:40 UTCJul 19, 20:50 UTC14h 10m - -
2026-07-19 A2A41E LAX → SYD Jul 19, 06:09 UTCJul 19, 20:49 UTC14h 40m +24m -39m
2026-07-18 A47FD9 - Jul 18, 06:50 UTCJul 18, 20:40 UTC13h 50m - -
2026-07-17 A254FF - Jul 17, 21:34 UTCJul 17, 21:39 UTC5m - -
2026-07-17 A254FF - Jul 17, 07:14 UTCJul 17, 07:50 UTC35m - -
2026-07-17 A254FF LAX → SYD Jul 17, 06:24 UTCJul 17, 21:15 UTC14h 51m +39m -82m
2026-07-16 A31A76 - Jul 16, 07:25 UTCJul 16, 21:50 UTC14h 25m - -
2026-07-15 A254DD - Jul 15, 07:05 UTCJul 15, 21:05 UTC14h 0m - -
2026-07-14 A18D29 - Jul 14, 06:55 UTCJul 14, 21:10 UTC14h 15m - -
2026-07-14 A18D29 LAX → SYD Jul 14, 06:09 UTCJul 14, 20:58 UTC14h 49m +24m -59m
2026-07-13 A2CB9E - Jul 13, 06:40 UTCJul 13, 21:05 UTC14h 25m - -
2026-07-12 A254DA - Jul 12, 06:35 UTCJul 12, 20:40 UTC14h 5m - -
2026-07-11 A18CBB - Jul 11, 07:40 UTCJul 11, 21:50 UTC14h 10m - -
2026-07-10 A47FDE - Jul 10, 06:20 UTCJul 10, 20:35 UTC14h 15m - -
2026-07-08 A2061E - Jul 8, 06:45 UTCJul 8, 21:10 UTC14h 25m - -
2026-07-07 A22D7B - Jul 7, 07:00 UTCJul 7, 22:00 UTC15h 0m - -
2026-07-06 A31A76 - Jul 6, 06:30 UTCJul 6, 20:50 UTC14h 20m - -
2026-07-05 A18D29 - Jul 5, 06:40 UTCJul 5, 07:10 UTC30m - -
2026-07-05 A18D29 LAX → SYD Jul 5, 06:41 UTCJul 5, 21:10 UTC14h 29m +56m +3m
2026-07-04 A2F2FA LAX → SYD Jul 4, 06:00 UTCJul 4, 21:15 UTC15h 15m - -

Performance history

Flights tracked
156 showing last 30
Avg arrival delay
-27m
On-time arrival
100% 100% on time
Aircraft used
16

Monthly activity 4 months

Month Flights tracked
July 2026 35
June 2026 47
May 2026 45
April 2026 29

UAL839 frequently asked

Where does flight UAL839 fly?
UAL839 (UAL) flies from LAX to SYD. View the full route page.
How long is flight UAL839?
Based on observed flights, UAL839 takes on average 12h 11m from takeoff to landing.
How often does UAL839 fly?
UAL839 has been observed flying several times a week in our tracking data. We've recorded 156 flights under this callsign.
Is flight UAL839 usually on time?
Across recent flights, UAL839 arrives 27 minutes early on average. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL839?
UAL839 has been operated by 16 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL839 live?
Yes. When UAL839 is currently airborne, the live tracker map above shows its real-time position from ADS-B broadcasts. If the map is empty, the flight is not currently in the air.