Apparatus

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flight_takeoff Flight

UAL852

Operated by UAL

Live map

Live map filtered to UAL852. Shown when the flight is currently airborne.

Upcoming flights 1 scheduled

From To Scheduled departure Estimated arrival Status
TPE SFO May 30, 06:51 AM UTC May 30, 05:40 PM UTC PLANNED

Route airports View route page →

Departure

TPE RCTP VFR

Taiwan Taoyuan International Airport

Taoyuan, TW

Local time
13:12 GMT+8
Timezone
Asia/Taipei
Type
Large Airport
Elevation
106 ft
Coordinates
25.0777, 121.2330

cloud Weather

Wind
30° / 22 kt
Visibility
6 SM
Ceiling
FEW 2,000 ft, SCT 15,000 ft
Temp / Dew
29°C / 23°C
Altimeter
29.79 inHg

Obs: 2026-05-30T05:00:00.000Z

Raw METAR / TAF 
METAR RCTP 300500Z 03022KT 9999 FEW020 SCT150 29/23 Q1009 NOSIG RMK A2982

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 7 Departures
flight_land 10 Arrivals

Arrival

SFO KSFO IFR

San Francisco International Airport

San Francisco, US

Local time
22:12 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
13 ft
Coordinates
37.6198, -122.3748

cloud Weather

Wind
290° / 13 kt
Visibility
10 SM
Ceiling
FEW 300 ft, BKN 800 ft, OVC 1,100 ft
Temp / Dew
13°C / 11°C
Altimeter
30.11 inHg

Obs: 2026-05-30T04:56:00.000Z

Raw METAR / TAF 
METAR KSFO 300456Z 29013KT 10SM FEW003 BKN008 OVC011 13/11 A3011 RMK AO2 SLP195 T01280106

TAF KSFO 300301Z 3003/3106 27012KT P6SM BKN013 FM300600 26010KT P6SM OVC009 FM300900 26005KT P6SM BKN012 FM301700 29010KT P6SM SKC FM302000 28018KT P6SM SKC

warning FAA Advisories

  • Ground Delay: low ceilings (avg 1 hour and 45 minutes)

flight Live Traffic

flight_takeoff 205 Departures
flight_land 230 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-05-29 AA92F9 TPE → SAN May 29, 06:45 UTCMay 29, 07:00 UTC15m - -
2026-05-29 AA92F9 TPE → SAN May 29, 06:51 UTCMay 29, 17:58 UTC11h 7m +21m +3m
2026-05-28 A92D6D TPE → SAN May 28, 08:20 UTCMay 28, 18:05 UTC9h 45m - -
2026-05-28 A92D6D TPE → SAN May 28, 06:40 UTCMay 28, 07:00 UTC20m - -
2026-05-27 AA92FF TPE → SAN May 27, 06:51 UTCMay 27, 18:05 UTC11h 14m +21m +4m
2026-05-27 AA92FF TPE → SAN May 27, 06:51 UTCMay 27, 18:05 UTC11h 14m +21m +4m
2026-05-27 AA92FF TPE → SAN May 27, 06:44 UTCMay 27, 18:15 UTC11h 31m - -
2026-05-25 AA92FA TPE → SAN May 25, 06:50 UTCMay 25, 18:30 UTC11h 40m - -
2026-05-24 AA92FF TPE → SAN May 24, 06:35 UTCMay 24, 18:00 UTC11h 25m - -
2026-05-23 AAA893 TPE → SAN May 23, 07:00 UTCMay 23, 07:20 UTC20m - -
2026-05-23 AAA893 TPE → SAN May 23, 06:51 UTCMay 23, 18:10 UTC11h 19m +21m +7m
2026-05-23 AAA893 TPE → SAN May 23, 06:51 UTCMay 23, 18:16 UTC11h 25m +21m +13m
2026-05-22 AAA125 TPE → SAN May 22, 17:35 UTCMay 22, 18:15 UTC40m - -
2026-05-22 AAA125 TPE → SAN May 22, 06:45 UTCMay 22, 07:00 UTC15m - -
2026-05-21 A20433 TPE → SAN May 21, 06:51 UTCMay 21, 18:02 UTC11h 11m +21m -1m
2026-05-21 A20433 TPE → SAN May 21, 06:45 UTCMay 21, 07:05 UTC20m - -
2026-05-20 AAC136 TPE → SAN May 20, 08:05 UTCMay 20, 17:20 UTC9h 15m - -
2026-05-20 AAC136 TPE → SAN May 20, 06:51 UTCMay 20, 17:11 UTC10h 20m +21m -19m
2026-05-20 AAC136 TPE → SAN May 20, 06:35 UTCMay 20, 06:50 UTC15m - -
2026-05-19 AADB37 TPE → SAN May 19, 08:05 UTCMay 19, 17:40 UTC9h 35m - -
2026-05-19 AADB37 TPE → SAN May 19, 06:35 UTCMay 19, 06:50 UTC15m - -
2026-05-18 A1F1A0 TPE → SAN May 18, 08:05 UTCMay 18, 09:25 UTC1h 20m - -
2026-05-18 A1F1A0 TPE → SAN May 18, 06:51 UTCMay 18, 17:33 UTC10h 42m +21m +7m
2026-05-18 A1F1A0 TPE → SAN May 18, 06:35 UTCMay 18, 06:45 UTC10m - -
2026-05-17 AA92FF TPE → SAN May 17, 08:45 UTCMay 17, 17:55 UTC9h 10m - -
2026-05-17 AA92FF TPE → SAN May 17, 06:50 UTCMay 17, 07:00 UTC10m - -
2026-05-17 AA92FF TPE → SAN May 17, 06:51 UTCMay 17, 17:48 UTC10h 57m +21m +11m
2026-05-16 A75103 TPE → SAN May 16, 06:50 UTCMay 16, 17:35 UTC10h 45m - -
2026-05-15 AA9D6E TPE → SAN May 15, 06:40 UTCMay 15, 07:30 UTC50m - -
2026-05-15 AA9D6E TPE → SAN May 15, 06:51 UTCMay 15, 17:10 UTC10h 19m +21m -26m

Performance history

Flights tracked
107 showing last 30
Avg arrival delay
on time
On-time arrival
100% 100% on time
Aircraft used
12

Monthly activity 2 months

Month Flights tracked
May 2026 62
April 2026 45

UAL852 frequently asked

Where does flight UAL852 fly?
UAL852 (UAL) flies from TPE to SFO. View the full route page.
How long is flight UAL852?
Based on observed flights, UAL852 takes on average 6h 36m from takeoff to landing.
How often does UAL852 fly?
UAL852 has been observed flying several times a week in our tracking data. We've recorded 107 flights under this callsign.
Is flight UAL852 usually on time?
Across recent flights, UAL852 arrives 0 minutes early on average. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL852?
UAL852 has been operated by 12 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL852 live?
Yes. When UAL852 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.