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UAL853

SFO → TPE · Boeing 777-200ER · United Airlines

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Departure · San Francisco (SFO)

Terminal ITM · Gate G8
Scheduled 03 Oct 23:45 · Departed 03 Oct 23:46
Board status: Departed
Airborne since 00:18 (ADS-B)

Board data from sfo, updated 25 min ago; times local to each airport.

Flight

Status
In progress
Departure
San Francisco International Airport (SFO) — San Francisco, United States
Scheduled departure
2026-10-04 06:45 UTC
Departed
2026-10-04 07:18 UTC
Arrival
Taiwan Taoyuan International Airport (TPE) — Taipei, Taiwan (scheduled)
Progress
8%
Also flies as
UA853
Distance flown
880 km
Straight-line distance
10391 km

Aircraft

Registration
N794UA
Type
Boeing 777-200ER
Seats
276 total (156 Economy, 46 Economy Plus, 24 Premium Plus, 50 United Polaris Business)
CO2 (EMEP est., total)
571.0 t (1483 kg/pax Economy, 1860 kg/pax Premium Economy, 4531 kg/pax Business)

Altitude & speed

Max altitude
30,000 ft
Max ground speed
520 kt
Tracked
1h 1m · 879 km
Note
still in progress - the track so far
Altitude (ft, max 30,000)
016,20032,4000m30m1h 0m
Ground speed (kt, max 520)
02815620m30m1h 0m
Altitude (ft, max 30,000)
016,20032,4000m1h 0m
Ground speed (kt, max 520)
02815620m1h 0m

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
2026-10-04 07:18 UTC UAL853 SFO → TPE
San Francisco → Taipei
 N794UA Boeing 777-200ER In progress ~10391 km est.
2026-10-03 19:51 UTC UAL853 SFO → TPE
San Francisco → Taipei
 N796UA Boeing 777-200ER Completed 395 km
2026-10-03 19:20 UTC UAL853 SFO → TPE
San Francisco → Taipei
 N796UA Boeing 777-200ER Completed (landing confirmed by airport data) ~844 km est. (209 km recorded)
2026-10-03 07:40 UTC UAL853 SFO → TPE
San Francisco → Taipei
 N796UA Boeing 777-200ER Incomplete (signal lost) ~10492 km est. (626 km recorded)
2026-10-02 19:01 UTC UAL853 SFO → TPE
San Francisco → Taipei
 N78005 Boeing 777-200ER Completed 996 km
2026-10-02 07:42 UTC UAL853 SFO → TPE
San Francisco → Taipei
 N78005 Boeing 777-200ER Completed (landing confirmed by airport data) ~10497 km est. (754 km recorded)
2026-10-01 19:31 UTC UAL853 SFO → TPE
San Francisco → Taipei
 N76021 Boeing 777-200ER Completed (landing presumed) 266 km
2026-10-01 07:14 UTC UAL853 SFO → TPE
San Francisco → Taipei
 N76021 Boeing 777-200ER Incomplete (signal lost) ~10575 km est. (607 km recorded)
2026-09-30 16:59 UTC UAL853 SFO → TPE
San Francisco → Taipei
 N787UA Boeing 777-200ER Completed 273 km
2026-09-30 07:21 UTC UAL853 SFO → TPE
San Francisco → Taipei
 N787UA Boeing 777-200ER Completed (landing confirmed by airport data) 9376 km
2026-09-29 08:27 UTC UAL853 SFO → TPE
San Francisco → Taipei
 N78002 Boeing 777-200ER Completed 10628 km
2026-09-28 07:37 UTC UAL853 SFO → TPE
San Francisco → Taipei
 N226UA Boeing 777-200ER Completed 10570 km
2026-09-27 06:58 UTC UAL853 SFO → TPE
San Francisco → Taipei
 N793UA Boeing 777-200ER Completed 10462 km
2026-09-26 07:06 UTC UAL853 SFO → TPE
San Francisco → Taipei
 N227UA Boeing 777-200ER Completed 10720 km
2026-09-25 16:49 UTC UAL853 SFO → TPE
San Francisco → Taipei
 N77006 Boeing 777-200ER Completed 11031 km
2026-09-24 07:10 UTC UAL853 SFO → TPE
San Francisco → Taipei
 N791UA Boeing 777-200ER Completed 10634 km
2026-09-23 07:06 UTC UAL853 SFO → TPE
San Francisco → Taipei
 N78003 Boeing 777-200ER Completed 10707 km
2026-09-22 07:13 UTC UAL853 SFO → TPE
San Francisco → Taipei
 N783UA Boeing 777-200ER Completed 10679 km
2026-09-21 07:20 UTC UAL853 SFO → TPE
San Francisco → Taipei
 N784UA Boeing 777-200ER Completed 10624 km
2026-09-20 07:05 UTC UAL853 SFO → TPE
San Francisco → Taipei
 N785UA Boeing 777-200ER Completed 10637 km
2026-09-19 07:31 UTC UAL853 SFO → TPE
San Francisco → Taipei
 N78013 Boeing 777-200ER Completed 10713 km
2026-09-18 07:26 UTC UAL853 SFO → TPE
San Francisco → Taipei
 N798UA Boeing 777-200ER Completed 10643 km
2026-09-17 07:10 UTC UAL853 SFO → TPE
San Francisco → Taipei
 N785UA Boeing 777-200ER Completed 10754 km
2026-09-16 07:10 UTC UAL853 SFO → TPE
San Francisco → Taipei
 N76010 Boeing 777-200ER Completed 10663 km
2026-09-15 07:16 UTC UAL853 SFO → TPE
San Francisco → Taipei
 N228UA Boeing 777-200ER Completed 10686 km
2026-09-14 07:04 UTC UAL853 SFO → TPE
San Francisco → Taipei
 N77006 Boeing 777-200ER Completed 10727 km
2026-09-13 07:17 UTC UAL853 SFO → TPE
San Francisco → Taipei
 N76010 Boeing 777-200ER Completed 10789 km
2026-09-12 07:02 UTC UAL853 SFO → TPE
San Francisco → Taipei
 N792UA Boeing 777-200ER Completed 10737 km
2026-09-11 07:11 UTC UAL853 SFO → TPE
San Francisco → Taipei
 N209UA Boeing 777-200ER Completed 10787 km
2026-09-10 07:12 UTC UAL853 SFO → TPE
San Francisco → Taipei
 N794UA Boeing 777-200ER Completed 10720 km
2026-09-09 07:24 UTC UAL853 SFO → TPE
San Francisco → Taipei
 N216UA Boeing 777-200ER Completed 10550 km
2026-09-08 07:26 UTC UAL853 SFO → TPE
San Francisco → Taipei
 N209UA Boeing 777-200ER Incomplete (signal lost) ~10546 km est. (707 km recorded)
2026-09-07 07:25 UTC UAL853 SFO → TPE
San Francisco → Taipei
 N204UA Boeing 777-200ER Completed 10759 km
2026-09-06 07:15 UTC UAL853 SFO → TPE
San Francisco → Taipei
 N787UA Boeing 777-200ER Completed 10727 km
2026-09-05 07:30 UTC UAL853 SFO → TPE
San Francisco → Taipei
 N217UA Boeing 777-200ER Completed 10595 km
2026-09-04 07:46 UTC UAL853 SFO → TPE
San Francisco → Taipei
 N78003 Boeing 777-200ER Completed 10648 km
2026-09-03 07:26 UTC UAL853 SFO → TPE
San Francisco → Taipei
 N74007 Boeing 777-200ER Completed 10708 km
2026-09-02 07:01 UTC UAL853 SFO → TPE
San Francisco → Taipei
 N793UA Boeing 777-200ER Completed 10644 km
2026-09-01 07:22 UTC UAL853 SFO → TPE
San Francisco → Taipei
 N218UA Boeing 777-200ER Completed 10673 km
2026-08-31 07:29 UTC UAL853 SFO → TPE
San Francisco → Taipei
 N229UA Boeing 777-200ER Completed 10676 km
2026-08-30 07:25 UTC UAL853 SFO → TPE
San Francisco → Taipei
 N204UA Boeing 777-200ER Completed 10704 km
2026-08-29 07:17 UTC UAL853 SFO → TPE
San Francisco → Taipei
 N57016 Boeing 777-200ER Completed 10615 km
2026-08-28 07:10 UTC UAL853 SFO → TPE
San Francisco → Taipei
 N796UA Boeing 777-200ER Completed 10674 km
2026-08-27 07:08 UTC UAL853 SFO → TPE
San Francisco → Taipei
 N77012 Boeing 777-200ER Completed 10680 km
2026-08-26 07:29 UTC UAL853 SFO → TPE
San Francisco → Taipei
 N798UA Boeing 777-200ER Completed 10704 km
2026-08-25 07:19 UTC UAL853 SFO → TPE
San Francisco → Taipei
 N783UA Boeing 777-200ER Completed 10582 km
2026-08-24 07:39 UTC UAL853 SFO → TPE
San Francisco → Taipei
 N791UA Boeing 777-200ER Completed 10610 km
2026-08-23 07:22 UTC UAL853 SFO → TPE
San Francisco → Taipei
 N77022 Boeing 777-200ER Completed 10577 km
2026-08-22 07:32 UTC UAL853 SFO → TPE
San Francisco → Taipei
 N785UA Boeing 777-200ER Completed 11506 km
2026-08-21 07:25 UTC UAL853 SFO → TPE
San Francisco → Taipei
 N209UA Boeing 777-200ER Completed 11290 km

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