Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL3905

Operated by United Airlines

Live map

Live map filtered to UAL3905. Shown when the flight is currently airborne.

Route airports View route page →

Departure

TPE RCTP VFR

Taiwan Taoyuan International Airport

Taoyuan, TW

Local time
16:17 GMT+8
Timezone
Asia/Taipei
Type
Large Airport
Elevation
106 ft
Coordinates
25.0777, 121.2330

cloud Weather

Wind
40° / 19 kt
Visibility
6 SM
Ceiling
FEW 2,000 ft, SCT 18,000 ft
Temp / Dew
29°C / 21°C
Altimeter
29.76 inHg

Obs: 2026-05-30T08:00:00.000Z

Raw METAR / TAF 
METAR RCTP 300800Z 04019KT 9999 FEW020 SCT180 29/21 Q1008 NOSIG RMK A2979

TAF RCTP 300500Z 3006/3112 04020KT 9999 FEW015 BECMG 3012/3014 05015G25KT BECMG 3018/3020 05010KT BECMG 3103/3105 06015G25KT

flight Live Traffic

flight_takeoff 13 Departures
flight_land 20 Arrivals

Arrival

SFO KSFO MVFR

San Francisco International Airport

San Francisco, US

Local time
01:17 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
13 ft
Coordinates
37.6198, -122.3748

cloud Weather

Wind
280° / 9 kt
Visibility
10 SM
Ceiling
OVC 1,000 ft
Temp / Dew
13°C / 11°C
Altimeter
30.11 inHg

Obs: 2026-05-30T07:56:00.000Z

Raw METAR / TAF 
METAR KSFO 300756Z 28009KT 10SM OVC010 13/11 A3011 RMK AO2 SLP196 T01280106 401720122

TAF KSFO 300520Z 3006/3112 26009KT P6SM OVC008 FM301000 27006KT P6SM OVC012 FM301800 28012KT P6SM SKC FM302300 27022KT P6SM SKC FM310600 28012KT P6SM SKC

flight Live Traffic

flight_takeoff 290 Departures
flight_land 257 Arrivals

Recent history last 17

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-05-28 AB9078 TPE → SFO May 28, 22:45 UTCMay 28, 23:25 UTC40m - -
2026-05-25 A8D5A4 TPE → SFO May 25, 18:30 UTCMay 25, 18:35 UTC5m - -
2026-05-25 A8D5A4 TPE → SFO May 25, 16:35 UTCMay 25, 18:35 UTC2h 0m - -
2026-05-25 A8D5A4 TPE → SFO May 25, 16:37 UTCMay 25, 18:14 UTC1h 37m +17m +18m
2026-05-24 A87223 TPE → SFO May 24, 13:40 UTCMay 24, 23:46 UTC10h 6m - -
2026-05-17 A5D713 TPE → SFO May 17, 11:50 UTCMay 17, 19:55 UTC8h 5m - -
2026-05-11 A11BC8 TPE → SFO May 11, 21:25 UTCMay 11, 22:35 UTC1h 9m - -
2026-05-03 A76F48 TPE → SFO May 3, 05:15 UTCMay 3, 10:00 UTC4h 45m - -
2026-05-03 A76F48 TPE → SFO May 3, 05:00 UTCMay 3, 09:58 UTC4h 58m +60m +1m
2026-04-29 A76F68 TPE → SFO Apr 29, 18:58 UTCApr 29, 20:46 UTC1h 48m +58m -5m
2026-04-29 A76F68 TPE → SFO Apr 29, 18:50 UTCApr 29, 20:50 UTC2h 0m - -
2026-04-26 A2CA5D TPE → SFO Apr 26, 03:30 UTCApr 26, 04:40 UTC1h 10m - -
2026-04-26 A2CA5D TPE → SFO Apr 26, 03:08 UTCApr 26, 04:41 UTC1h 33m +128m +3m
2026-04-22 AA3AE2 TPE → SFO Apr 22, 13:05 UTCApr 22, 13:55 UTC50m - -
2026-04-14 A14700 TPE → SFO Apr 14, 12:50 UTCApr 14, 14:40 UTC1h 50m - -
2026-04-14 A14700 TPE → SFO Apr 14, 12:30 UTCApr 14, 12:45 UTC15m - -
2026-04-13 AB5056 TPE → SFO Apr 13, 12:41 UTCApr 13, 15:53 UTC3h 12m +71m -10m

Performance history

Flights tracked
17
Avg arrival delay
+1m
On-time arrival
80% 80% on time
Aircraft used
11

Monthly activity 2 months

Month Flights tracked
May 2026 9
April 2026 8

UAL3905 frequently asked

Where does flight UAL3905 fly?
UAL3905 (United Airlines) flies from TPE to SFO. View the full route page.
How long is flight UAL3905?
Based on observed flights, UAL3905 takes on average 2h 43m from takeoff to landing.
How often does UAL3905 fly?
UAL3905 has been observed flying several times a week in our tracking data. We've recorded 17 flights under this callsign.
Is flight UAL3905 usually on time?
Across recent flights, UAL3905 arrives with an average 1-minute delay. 80% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL3905?
UAL3905 has been operated by 11 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL3905 live?
Yes. When UAL3905 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.