YAFT.LIVE

UAL853

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

Flight

Status
Completed
Arrival confirmed via
ADS-B (ground reading)
Departure
San Francisco International Airport (SFO) — San Francisco, United States
Est. departure time
2026-09-05 07:24 UTC (approx.)
Arrival
Taiwan Taoyuan International Airport (TPE) — Taipei, Taiwan
Distance flown
10595 km
Straight-line distance
10391 km
Approach distance
89 km

Aircraft

Registration
N217UA
Type
Boeing 777-200ER
Seats
276 total (156 Economy, 46 Economy Plus, 24 Premium Plus, 50 United Polaris Business)

Altitude & speed

Max altitude
34,000 ft
Max ground speed
504 kt
Tracked
12h 21m · 10,574 km
Altitude (ft, max 34,000)
018,36036,7200m2h 0m4h 0m6h 0m8h 0m10h 0m12h 0m
Ground speed (kt, max 504)
02725440m2h 0m4h 0m6h 0m8h 0m10h 0m12h 0m
Altitude (ft, max 34,000)
018,36036,7200m4h 0m8h 0m12h 0m
Ground speed (kt, max 504)
02725440m4h 0m8h 0m12h 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
2026-10-02 07:42 UTC UAL853 SFO → TPE
San Francisco → Taipei
 N78005 Boeing 777-200ER In progress ~10391 km est.
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
2026-08-20 07:25 UTC UAL853 SFO → TPE
San Francisco → Taipei
 N76010 Boeing 777-200ER Completed 15703 km
2026-08-19 07:24 UTC UAL853 SFO → TPE
San Francisco → Taipei
 N798UA Boeing 777-200ER Completed 13199 km
2026-08-18 07:12 UTC UAL853 SFO → TPE
San Francisco → Taipei
 N791UA Boeing 777-200ER Completed 15558 km
2026-08-17 07:31 UTC UAL853 SFO → TPE
San Francisco → Taipei
 N78003 Boeing 777-200ER Completed 11610 km
2026-08-16 06:53 UTC UAL853 SFO → TPE
San Francisco → Taipei
 N785UA Boeing 777-200ER Completed 11478 km

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