Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL3908

Operated by United Airlines

Live map

Live map filtered to UAL3908. Shown when the flight is currently airborne.

Route airports View route page →

Departure

SYD YSSY VFR

Sydney Kingsford Smith International Airport

Sydney (Mascot), AU

Local time
21:28 GMT+10
Timezone
Australia/Sydney
Type
Large Airport
Elevation
21 ft
Coordinates
-33.9461, 151.1770

cloud Weather

Wind
170° / 7 kt
Visibility
6 SM
Ceiling
FEW 3,000 ft
Temp / Dew
16°C / 12°C
Altimeter
30.35 inHg

Obs: 2026-08-28T11:00:00.000Z

Raw METAR / TAF 
METAR YSSY 281100Z AUTO 17007KT 9999 // FEW030 16/12 Q1028

TAF YSSY 280832Z 2809/2912 17008KT 9999 SCT020 FM281200 30006KT 9999 SCT025 FM282100 30006KT 9999 -SHRA SCT025 FM290000 17012KT 9999 -SHRA SCT025 FM290300 15010KT 9999 NSW FEW025 FM290900 10007KT 9999 FEW020

flight Live Traffic

flight_takeoff 9 Departures
flight_land 7 Arrivals

Arrival

SFO KSFO VFR

San Francisco International Airport

San Francisco, US

Local time
04:28 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
13 ft
Coordinates
37.6198, -122.3748

cloud Weather

Wind
310° / 10 kt
Visibility
10 SM
Ceiling
FEW 400 ft, BKN 20,000 ft
Temp / Dew
15°C / 13°C
Altimeter
29.93 inHg

Obs: 2026-08-28T10:56:00.000Z

Raw METAR / TAF 
METAR KSFO 281056Z 31010KT 10SM FEW004 BKN200 15/13 A2993 RMK AO2 SLP134 T01500133 $

TAF KSFO 280830Z 2809/2912 30013KT P6SM FEW004 BKN200 FM282000 29014KT P6SM VCSH BKN050 OVC100 FM290300 29010KT P6SM SCT010 BKN120 FM291000 29007KT P6SM BKN010

flight Live Traffic

flight_takeoff 206 Departures
flight_land 120 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-25 A05629 SYD → SFO Jul 25, 13:20 UTCJul 25, 14:50 UTC1h 30m - -
2026-07-21 AB2C8E SYD → SFO Jul 21, 20:15 UTCJul 21, 21:35 UTC1h 20m - -
2026-07-20 A8F00E SYD → SFO Jul 20, 11:15 UTCJul 20, 13:30 UTC2h 15m - -
2026-07-20 A8F00E SYD → SFO Jul 20, 10:49 UTCJul 20, 19:20 UTC8h 31m +34m -19m
2026-07-20 A8F00E SYD → SFO Jul 20, 10:49 UTCJul 20, 19:39 UTC8h 50m +34m on time
2026-07-17 A8B75F SYD → SFO Jul 17, 15:00 UTCJul 17, 22:05 UTC7h 5m - -
2026-07-10 A8B760 IAH → IAD Jul 10, 13:20 UTCJul 10, 15:55 UTC2h 35m - -
2026-07-08 A24CC0 EWR → ORD Jul 8, 02:52 UTCJul 8, 04:06 UTC1h 14m +52m -6m
2026-07-08 A24CC0 EWR → ORD Jul 8, 02:35 UTCJul 8, 04:20 UTC1h 45m - -
2026-07-03 A31A73 - Jul 3, 08:40 UTCJul 3, 21:10 UTC12h 30m - -
2026-07-01 A1244B - Jul 1, 01:00 UTCJul 1, 06:20 UTC5h 20m - -
2026-06-28 A11BC6 - Jun 28, 17:50 UTCJun 28, 19:04 UTC1h 15m - -
2026-06-25 A2061E DEN → SFO Jun 25, 19:49 UTCJun 25, 21:59 UTC2h 10m - -
2026-06-21 AA44CD - Jun 21, 03:49 UTCJun 21, 13:04 UTC9h 15m - -
2026-06-15 AAD012 SYD → SFO Jun 15, 08:54 UTCJun 15, 18:29 UTC9h 35m - -
2026-06-15 AAD012 SYD → SFO Jun 15, 08:47 UTCJun 15, 18:31 UTC9h 44m +137m -8m
2026-06-12 A123E3 SYD → SFO Jun 12, 13:20 UTCJun 12, 14:35 UTC1h 15m - -
2026-05-31 A2FBEC SYD → SFO May 31, 16:35 UTCMay 31, 17:20 UTC45m - -
2026-05-25 A44983 SYD → SFO May 25, 23:19 UTCMay 26, 00:09 UTC50m - -
2026-05-25 A44983 SYD → SFO May 25, 23:09 UTCMay 26, 00:10 UTC1h 1m +24m -10m
2026-05-23 AB5DD4 SYD → SFO May 23, 20:15 UTCMay 23, 22:15 UTC2h 0m - -
2026-05-19 A94BFF SYD → SFO May 19, 12:54 UTCMay 19, 15:56 UTC3h 2m +24m +6m
2026-05-19 A94BFF SYD → SFO May 19, 12:45 UTCMay 19, 16:00 UTC3h 15m - -
2026-05-17 A60814 SYD → SFO May 17, 07:40 UTCMay 17, 08:10 UTC30m - -
2026-05-11 A2A3D2 SYD → SFO May 11, 20:20 UTCMay 11, 21:15 UTC55m - -
2026-05-05 A5B1A8 SYD → SFO May 5, 18:55 UTCMay 5, 19:40 UTC45m - -
2026-05-05 A5B1A8 SYD → SFO May 5, 18:42 UTCMay 5, 19:40 UTC58m -93m +14m
2026-05-03 AA44CD SYD → SFO May 3, 18:55 UTCMay 3, 19:45 UTC50m - -
2026-04-26 A5EA5C SYD → SFO Apr 26, 13:15 UTCApr 26, 15:10 UTC1h 55m - -
2026-04-26 A5EA5C SYD → SFO Apr 26, 13:17 UTCApr 26, 15:12 UTC1h 55m +17m +6m

Performance history

Flights tracked
33 showing last 30
Avg arrival delay
-2m
On-time arrival
100% 100% on time
Aircraft used
21

Monthly activity 4 months

Month Flights tracked
July 2026 11
June 2026 6
May 2026 11
April 2026 5

UAL3908 frequently asked

Where does flight UAL3908 fly?
UAL3908 (United Airlines) flies from SYD to SFO. View the full route page.
How long is flight UAL3908?
Based on observed flights, UAL3908 takes on average 3h 30m from takeoff to landing.
How often does UAL3908 fly?
UAL3908 has been observed flying several times a week in our tracking data. We've recorded 33 flights under this callsign.
Is flight UAL3908 usually on time?
Across recent flights, UAL3908 arrives 2 minutes early on average. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL3908?
UAL3908 has been operated by 21 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL3908 live?
Yes. When UAL3908 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.