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UAL871

SFO → TPE · Boeing 777-300ER · United Airlines

Flight

Status
Completed
Arrival confirmed via
ADS-B (ground reading)
Departure
San Francisco International Airport (SFO) — San Francisco, United States
Departed
2026-10-02 11:15 UTC (first seen)
Arrival
Taiwan Taoyuan International Airport (TPE) — Taipei, Taiwan
Distance flown
226 km
Straight-line distance
10391 km
Approach distance
78 km

Aircraft

Registration
N2748U
Type
Boeing 777-300ER
Seats
350 total (204 Economy, 62 Economy Plus, 24 Premium Plus, 60 Polaris)

Altitude & speed

Max altitude
23,550 ft
Max ground speed
402 kt
Tracked
26m · 225 km
Altitude (ft, max 23,550)
012,71725,4340m
Ground speed (kt, max 402)
02174340m
Altitude (ft, max 23,550)
012,71725,4340m
Ground speed (kt, max 402)
02174340m

From the ADS-B positions we received; time since the first fix. A dashed stretch is a gap in reception, bridged by a straight line.

Route map

Airline

United Airlines (UAL)

Latest flights

DepartedFlightRouteRegAircraftStatusDistance
2026-10-02 11:15 UTC UAL871 SFO → TPE
San Francisco → Taipei
 N2748U Boeing 777-300ER Completed 226 km
2026-10-02 10:28 UTC UAL871 SFO → TPE
San Francisco → Taipei
 N2748U Boeing 777-300ER Completed (landing confirmed by airport data) ~889 km est. (307 km recorded)
2026-10-01 23:10 UTC UAL871 SFO → TPE
San Francisco → Taipei
 N2748U Boeing 777-300ER Incomplete (signal lost) ~10504 km est. (469 km recorded)
2026-10-01 09:57 UTC UAL871 SFO → TPE
San Francisco → Taipei
 N2250U Boeing 777-300ER Completed (landing confirmed by airport data) 372 km
2026-10-01 06:21 UTC UAL871 YYZ → TPE
Toronto → Taipei
 N2250U Boeing 777-300ER Incomplete (signal lost) ~883 km est. (287 km recorded)
2026-09-30 21:48 UTC UAL871 SFO → TPE
San Francisco → Taipei
 N2250U Boeing 777-300ER Incomplete (signal lost) ~10509 km est. (375 km recorded)
2026-09-30 09:54 UTC UAL871 SFO → TPE
San Francisco → Taipei
 N2136U Boeing 777-300ER Completed 451 km
2026-09-30 09:19 UTC UAL871 SFO → TPE
San Francisco → Taipei
 N2136U Boeing 777-300ER Completed (landing confirmed by airport data) ~888 km est. (257 km recorded)
2026-09-29 21:46 UTC UAL871 SFO → TPE
San Francisco → Taipei
 N2136U Boeing 777-300ER Incomplete (signal lost) ~10503 km est. (343 km recorded)
2026-09-28 22:15 UTC UAL871 SFO → TPE
San Francisco → Taipei
 N2331U Boeing 777-300ER Completed 10552 km
2026-09-27 22:05 UTC UAL871 SFO → TPE
San Francisco → Taipei
 N2737U Boeing 777-300ER Completed 10561 km
2026-09-26 21:53 UTC UAL871 SFO → TPE
San Francisco → Taipei
 N2250U Boeing 777-300ER Completed 10560 km
2026-09-25 21:54 UTC UAL871 SFO → TPE
San Francisco → Taipei
 N2331U Boeing 777-300ER Completed 10684 km
2026-09-24 22:33 UTC UAL871 SFO → TPE
San Francisco → Taipei
 N2846U Boeing 777-300ER Completed 10744 km
2026-09-23 21:54 UTC UAL871 SFO → TPE
San Francisco → Taipei
 N2749U Boeing 777-300ER Completed 10714 km
2026-09-22 21:47 UTC UAL871 SFO → TPE
San Francisco → Taipei
 N2135U Boeing 777-300ER Completed 10672 km
2026-09-21 23:03 UTC UAL871 SFO → TPE
San Francisco → Taipei
 N2352U Boeing 777-300ER Completed 10706 km
2026-09-20 21:49 UTC UAL871 SFO → TPE
San Francisco → Taipei
 N2136U Boeing 777-300ER Completed 10696 km
2026-09-19 21:57 UTC UAL871 SFO → TPE
San Francisco → Taipei
 N2332U Boeing 777-300ER Completed 10621 km
2026-09-18 22:02 UTC UAL871 SFO → TPE
San Francisco → Taipei
 N2352U Boeing 777-300ER Completed 10786 km
2026-09-17 22:28 UTC UAL871 SFO → TPE
San Francisco → Taipei
 N2747U Boeing 777-300ER Completed 10618 km
2026-09-16 22:32 UTC UAL871 SFO → TPE
San Francisco → Taipei
 N2341U Boeing 777-300ER Completed 10681 km
2026-09-15 22:09 UTC UAL871 SFO → TPE
San Francisco → Taipei
 N2747U Boeing 777-300ER Completed 10703 km
2026-09-14 22:23 UTC UAL871 SFO → TPE
San Francisco → Taipei
 N2341U Boeing 777-300ER Completed 10653 km
2026-09-13 22:13 UTC UAL871 SFO → TPE
San Francisco → Taipei
 N2644U Boeing 777-300ER Completed 10811 km
2026-09-12 23:55 UTC UAL871 SFO → TPE
San Francisco → Taipei
 N2243U Boeing 777-300ER Completed 10728 km
2026-09-11 22:11 UTC UAL871 SFO → TPE
San Francisco → Taipei
 N2142U Boeing 777-300ER Completed 10752 km
2026-09-10 22:23 UTC UAL871 SFO → TPE
San Francisco → Taipei
 N2846U Boeing 777-300ER Completed 10787 km
2026-09-09 22:29 UTC UAL871 SFO → TPE
San Francisco → Taipei
 N2251U Boeing 777-300ER Completed 10749 km
2026-09-09 08:46 UTC UAL871 SFO → TPE
San Francisco → Taipei
 N2645U Boeing 777-300ER Completed 1017 km
2026-09-07 22:33 UTC UAL871 SFO → TPE
San Francisco → Taipei
 N2250U Boeing 777-300ER Completed 10716 km
2026-09-06 22:30 UTC UAL871 SFO → TPE
San Francisco → Taipei
 N2639U Boeing 777-300ER Completed 10731 km
2026-09-05 22:09 UTC UAL871 SFO → TPE
San Francisco → Taipei
 N2747U Boeing 777-300ER Completed 10660 km
2026-09-04 22:09 UTC UAL871 SFO → TPE
San Francisco → Taipei
 N2331U Boeing 777-300ER Completed 10731 km
2026-09-03 22:14 UTC UAL871 SFO → TPE
San Francisco → Taipei
 N2747U Boeing 777-300ER Completed 10682 km
2026-09-02 22:22 UTC UAL871 SFO → TPE
San Francisco → Taipei
 N2135U Boeing 777-300ER Completed 10722 km
2026-09-01 22:09 UTC UAL871 SFO → TPE
San Francisco → Taipei
 N2534U Boeing 777-300ER Completed 10625 km
2026-08-31 22:18 UTC UAL871 SFO → TPE
San Francisco → Taipei
 N2331U Boeing 777-300ER Completed 10649 km
2026-08-30 22:40 UTC UAL871 SFO → TPE
San Francisco → Taipei
 N2136U Boeing 777-300ER Completed 10770 km
2026-08-29 22:06 UTC UAL871 SFO → TPE
San Francisco → Taipei
 N2333U Boeing 777-300ER Completed (landing presumed) 10592 km
2026-08-28 22:56 UTC UAL871 SFO → TPE
San Francisco → Taipei
 N2534U Boeing 777-300ER Completed 10774 km
2026-08-27 04:26 UTC UAL871 SFO → TPE
San Francisco → Taipei
 N2135U Boeing 777-300ER Completed 10685 km
2026-08-25 22:15 UTC UAL871 SFO → TPE
San Francisco → Taipei
 N2138U Boeing 777-300ER Completed 10651 km
2026-08-24 23:30 UTC UAL871 SFO → TPE
San Francisco → Taipei
 N2136U Boeing 777-300ER Completed 10593 km
2026-08-23 22:25 UTC UAL871 SFO → TPE
San Francisco → Taipei
 N2138U Boeing 777-300ER Completed 10610 km
2026-08-22 22:08 UTC UAL871 SFO → TPE
San Francisco → Taipei
 N2748U Boeing 777-300ER Completed 11399 km
2026-08-20 23:10 UTC UAL871 SFO → TPE
San Francisco → Taipei
 N2748U Boeing 777-300ER Completed 11466 km
2026-08-19 22:28 UTC UAL871 SFO → TPE
San Francisco → Taipei
 N2251U Boeing 777-300ER Completed 11798 km
2026-08-18 22:22 UTC UAL871 SFO → TPE
San Francisco → Taipei
 N2138U Boeing 777-300ER Completed 11827 km
2026-08-17 22:37 UTC UAL871 SFO → TPE
San Francisco → Taipei
 N2243U Boeing 777-300ER Completed 12136 km

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