Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL853

Operated by UAL

Live map

Live map filtered to UAL853. Shown when the flight is currently airborne.

Upcoming flights 1 scheduled

From To Scheduled departure Estimated arrival Status
SFO TPE May 31, 07:26 AM UTC May 31, 07:58 PM UTC PLANNED

Route airports View route page →

Departure

SFO KSFO MVFR

San Francisco International Airport

San Francisco, US

Local time
00:43 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
13 ft
Coordinates
37.6198, -122.3748

cloud Weather

Wind
270° / 10 kt
Visibility
10 SM
Ceiling
OVC 1,000 ft
Temp / Dew
13°C / 11°C
Altimeter
30.11 inHg

Obs: 2026-05-30T06:56:00.000Z

Raw METAR / TAF 
METAR KSFO 300656Z 27010KT 10SM OVC010 13/11 A3011 RMK AO2 SLP195 T01280106

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 229 Departures
flight_land 159 Arrivals

Arrival

TPE RCTP VFR

Taiwan Taoyuan International Airport

Taoyuan, TW

Local time
15:43 GMT+8
Timezone
Asia/Taipei
Type
Large Airport
Elevation
106 ft
Coordinates
25.0777, 121.2330

cloud Weather

Wind
40° / 20 kt
Visibility
6 SM
Ceiling
FEW 2,000 ft, SCT 18,000 ft
Temp / Dew
29°C / 21°C
Altimeter
29.79 inHg

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

Raw METAR / TAF 
METAR RCTP 300730Z 04020KT 9999 FEW020 SCT180 29/21 Q1009 NOSIG RMK A2980

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 17 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-05-29 AAD780 SFO → TPE May 29, 07:40 UTCMay 29, 20:40 UTC13h 0m - -
2026-05-28 AA92F9 SFO → TPE May 28, 07:33 UTCMay 28, 20:21 UTC12h 48m +38m -17m
2026-05-28 AA92F9 SFO → TPE May 28, 07:45 UTCMay 28, 08:10 UTC25m - -
2026-05-27 A92D6D SFO → TPE May 27, 07:15 UTCMay 27, 19:50 UTC12h 35m - -
2026-05-26 AA92FF SFO → TPE May 26, 07:26 UTCMay 26, 20:10 UTC12h 44m +31m +1m
2026-05-26 AA92FF SFO → TPE May 26, 07:24 UTCMay 26, 19:45 UTC12h 20m - -
2026-05-25 A1F90E SFO → TPE May 25, 07:26 UTCMay 25, 20:18 UTC12h 52m +31m +8m
2026-05-25 A1F90E SFO → TPE May 25, 07:25 UTCMay 25, 07:55 UTC30m - -
2026-05-24 AA92FA SFO → TPE May 24, 08:06 UTCMay 24, 21:14 UTC13h 8m +71m on time
2026-05-24 AA92FA SFO → TPE May 24, 08:15 UTCMay 24, 18:55 UTC10h 40m - -
2026-05-23 AA92FF SFO → TPE May 23, 07:39 UTCMay 23, 20:24 UTC12h 45m +44m -3m
2026-05-23 AA92FF SFO → TPE May 23, 07:45 UTCMay 23, 08:15 UTC30m - -
2026-05-22 AAA893 SFO → TPE May 22, 07:26 UTCMay 22, 20:19 UTC12h 53m +31m on time
2026-05-22 AAA893 SFO → TPE May 22, 07:30 UTCMay 22, 20:25 UTC12h 55m - -
2026-05-21 AAA125 SFO → TPE May 21, 19:30 UTCMay 21, 19:50 UTC20m - -
2026-05-21 AAA125 SFO → TPE May 21, 06:55 UTCMay 21, 07:15 UTC20m - -
2026-05-20 A20433 SFO → TPE May 20, 19:45 UTCMay 20, 20:00 UTC15m - -
2026-05-20 A20433 SFO → TPE May 20, 07:05 UTCMay 20, 19:05 UTC12h 0m - -
2026-05-19 AAC136 SFO → TPE May 19, 06:59 UTCMay 19, 19:49 UTC12h 50m +39m -14m
2026-05-19 AAC136 SFO → TPE May 19, 06:55 UTCMay 19, 07:20 UTC25m - -
2026-05-18 AADB37 SFO → TPE May 18, 07:00 UTCMay 18, 20:00 UTC12h 59m - -
2026-05-17 A1F1A0 SFO → TPE May 17, 19:15 UTCMay 17, 19:40 UTC25m - -
2026-05-17 A1F1A0 SFO → TPE May 17, 07:30 UTCMay 17, 18:10 UTC10h 40m - -
2026-05-16 AA92FF SFO → TPE May 16, 19:45 UTCMay 16, 20:05 UTC20m - -
2026-05-16 AA92FF SFO → TPE May 16, 07:11 UTCMay 16, 18:35 UTC11h 25m - -
2026-05-15 A75103 SFO → TPE May 15, 19:30 UTCMay 15, 19:55 UTC25m - -
2026-05-15 A75103 SFO → TPE May 15, 07:05 UTCMay 15, 18:15 UTC11h 9m - -
2026-05-14 AA9D6E SFO → TPE May 14, 06:51 UTCMay 14, 19:32 UTC12h 41m +31m -9m
2026-05-14 AA9D6E SFO → TPE May 14, 07:10 UTCMay 14, 19:35 UTC12h 25m - -
2026-05-13 A1FCC5 SFO → TPE May 13, 06:51 UTCMay 13, 19:57 UTC13h 6m +31m -6m

Performance history

Flights tracked
97 showing last 30
Avg arrival delay
-4m
On-time arrival
100% 100% on time
Aircraft used
15

Monthly activity 2 months

Month Flights tracked
May 2026 50
April 2026 47

UAL853 frequently asked

Where does flight UAL853 fly?
UAL853 (UAL) flies from SFO to TPE. View the full route page.
How long is flight UAL853?
Based on observed flights, UAL853 takes on average 8h 24m from takeoff to landing.
How often does UAL853 fly?
UAL853 has been observed flying several times a week in our tracking data. We've recorded 97 flights under this callsign.
Is flight UAL853 usually on time?
Across recent flights, UAL853 arrives 4 minutes early on average. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL853?
UAL853 has been operated by 15 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL853 live?
Yes. When UAL853 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.