Apparatus

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flight_takeoff Flight

UAL871

Operated by United Airlines

Live map

Live map filtered to UAL871. Shown when the flight is currently airborne.

Route airports View route page →

Departure

SFO KSFO VFR

San Francisco International Airport

San Francisco, US

Local time
05:19 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
13 ft
Coordinates
37.6198, -122.3748

cloud Weather

Wind
300° / 9 kt
Visibility
10 SM
Ceiling
FEW 400 ft, BKN 20,000 ft
Temp / Dew
15°C / 13°C
Altimeter
29.93 inHg

Obs: 2026-08-28T11:56:00.000Z

Raw METAR / TAF 
METAR KSFO 281156Z 30009KT 10SM FEW004 BKN200 15/13 A2993 RMK AO2 SLP133 T01500128 10156 20150 56006 $

TAF KSFO 281126Z 2812/2918 31010KT P6SM FEW004 BKN200 FM281500 28006KT P6SM VCSH OVC050 FM282100 28016KT P6SM OVC100 FM291000 27011KT P6SM SCT010

flight Live Traffic

flight_takeoff 114 Departures
flight_land 105 Arrivals

Arrival

TPE RCTP VFR

Taiwan Taoyuan International Airport

Taoyuan, TW

Local time
20:19 GMT+8
Timezone
Asia/Taipei
Type
Large Airport
Elevation
106 ft
Coordinates
25.0777, 121.2330

cloud Weather

Wind
40° / 9 kt
Visibility
6 SM
Ceiling
FEW 1,500 ft, SCT 20,000 ft
Temp / Dew
29°C / 28°C
Altimeter
29.53 inHg

Obs: 2026-08-28T12:00:00.000Z

Raw METAR / TAF 
METAR RCTP 281200Z 04009KT 9999 FEW015 SCT200 29/28 Q1000 NOSIG RMK A2955

TAF RCTP 281100Z 2812/2918 02005KT 9999 FEW015 BKN032 TEMPO 2818/2824 12005KT BECMG 2901/2903 03010KT TEMPO 2904/2909 33005KT 5000 SHRA FEW012 BKN020 BECMG 2911/2913 22005KT

flight Live Traffic

flight_takeoff 6 Departures
flight_land 19 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-26 A1C82A SFO → TPE Jul 26, 22:20 UTCJul 26, 22:30 UTC10m - -
2026-07-25 A21679 SFO → TPE Jul 25, 22:30 UTCJul 26, 10:25 UTC11h 56m - -
2026-07-25 A1CAC9 SFO → TPE Jul 25, 10:05 UTCJul 25, 10:15 UTC10m - -
2026-07-24 A1CAC9 SFO → TPE Jul 24, 22:23 UTCJul 25, 10:16 UTC11h 53m +43m -9m
2026-07-24 A1CAC9 SFO → TPE Jul 24, 22:25 UTCJul 25, 08:50 UTC10h 25m - -
2026-07-23 A2B501 SFO → TPE Jul 23, 22:05 UTCJul 24, 09:50 UTC11h 45m - -
2026-07-23 A2E014 - Jul 23, 09:45 UTCJul 23, 10:10 UTC25m - -
2026-07-22 A2E014 SFO → TPE Jul 22, 22:08 UTCJul 23, 10:01 UTC11h 53m +28m -9m
2026-07-22 A2E014 - Jul 22, 22:05 UTCJul 23, 08:25 UTC10h 20m - -
2026-07-21 A1CB0F SFO → TPE Jul 21, 22:08 UTCJul 22, 10:19 UTC12h 11m +28m -13m
2026-07-21 A1CB0F - Jul 21, 22:25 UTCJul 21, 22:50 UTC25m - -
2026-07-21 A21DC4 - Jul 21, 10:30 UTCJul 21, 10:40 UTC10m - -
2026-07-20 A21DC4 - Jul 20, 22:35 UTCJul 21, 09:10 UTC10h 34m - -
2026-07-20 A1F5FF - Jul 20, 09:50 UTCJul 20, 10:15 UTC25m - -
2026-07-19 A1F5FF - Jul 19, 22:10 UTCJul 20, 08:35 UTC10h 25m - -
2026-07-19 A1F622 - Jul 19, 11:05 UTCJul 19, 11:25 UTC20m - -
2026-07-18 A1F622 - Jul 18, 23:40 UTCJul 19, 09:55 UTC10h 15m - -
2026-07-17 A2659A - Jul 17, 22:25 UTCJul 18, 08:30 UTC10h 6m - -
2026-07-17 A2659A SFO → TPE Jul 17, 22:08 UTCJul 18, 10:10 UTC12h 2m +28m -8m
2026-07-16 A2B8DB SFO → TPE Jul 16, 22:10 UTCJul 17, 10:10 UTC12h 0m - -
2026-07-16 A2B8DB SFO → TPE Jul 16, 22:08 UTCJul 17, 10:02 UTC11h 54m +28m -11m
2026-07-16 A290D0 - Jul 16, 10:04 UTCJul 16, 10:20 UTC15m - -
2026-07-15 A290D0 SFO → TPE Jul 15, 22:23 UTCJul 16, 10:15 UTC11h 52m +43m -14m
2026-07-15 A290D0 - Jul 15, 22:25 UTCJul 16, 08:50 UTC10h 25m - -
2026-07-15 A219EA - Jul 15, 10:30 UTCJul 15, 10:45 UTC15m - -
2026-07-14 A219EA SFO → TPE Jul 14, 22:39 UTCJul 15, 10:44 UTC12h 5m +59m -16m
2026-07-14 A219EA - Jul 14, 23:00 UTCJul 15, 09:15 UTC10h 15m - -
2026-07-13 A21DC4 - Jul 13, 22:15 UTCJul 14, 10:25 UTC12h 10m - -
2026-07-12 A1CB0F SFO → TPE Jul 12, 22:15 UTCJul 13, 10:20 UTC12h 5m - -
2026-07-12 A2B501 - Jul 12, 09:50 UTCJul 12, 10:15 UTC25m - -

Performance history

Flights tracked
184 showing last 30
Avg arrival delay
-11m
On-time arrival
100% 100% on time
Aircraft used
13

Monthly activity 4 months

Month Flights tracked
July 2026 46
June 2026 45
May 2026 53
April 2026 40

UAL871 frequently asked

Where does flight UAL871 fly?
UAL871 (United Airlines) flies from SFO to TPE. View the full route page.
How long is flight UAL871?
Based on observed flights, UAL871 takes on average 7h 39m from takeoff to landing.
How often does UAL871 fly?
UAL871 has been observed flying several times a week in our tracking data. We've recorded 184 flights under this callsign.
Is flight UAL871 usually on time?
Across recent flights, UAL871 arrives 11 minutes early on average. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL871?
UAL871 has been operated by 13 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL871 live?
Yes. When UAL871 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.