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UA872

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

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Departure · Taipei (TPE)

Terminal T2 · Gate D4 · Check-in 9
Scheduled 09:50 · Departed 09:38 · early
Board status: Flew
Airborne since 09:58 (ADS-B)

Arrival · San Francisco (SFO)

Terminal ITM · Baggage belt CL4
Scheduled 04 Oct 06:35 · Estimated 04 Oct 05:35 · early
Board status: On time
In the air, ~7h 43m to go (25% of the route flown)

Board data from sfo, tpe, updated 39 min ago; times local to each airport.

Flight

Status
In progress
Departure
Taiwan Taoyuan International Airport (TPE) — Taipei, Taiwan
Scheduled departure
2026-10-04 01:50 UTC
Departed
2026-10-04 01:58 UTC
Arrival
San Francisco International Airport (SFO) — San Francisco, United States (scheduled)
Scheduled arrival
2026-10-04 13:35 UTC
Estimated arrival
2026-10-04 12:35 UTC
Progress
25% · ~7h 43m remaining
Distance flown
2578 km
Straight-line distance
10391 km

Aircraft

Registration
N2138U
Type
Boeing 777-300ER
Seats
350 total (204 Economy, 62 Economy Plus, 24 Premium Plus, 60 Polaris)
CO2 (EMEP est., total)
745.5 t (1553 kg/pax Economy, 1947 kg/pax Premium Economy, 4749 kg/pax Business)

Altitude & speed

Max altitude
33,025 ft
Max ground speed
555 kt
Tracked
2h 41m · 2,578 km
Note
still in progress - the track so far
Altitude (ft, max 33,025)
017,83435,6670m30m1h 0m1h 30m2h 0m2h 30m
Ground speed (kt, max 555)
03005990m30m1h 0m1h 30m2h 0m2h 30m
Altitude (ft, max 33,025)
017,83435,6670m1h 0m2h 0m
Ground speed (kt, max 555)
03005990m1h 0m2h 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 01:58 UTC UAL872 TPE → SFO
Taipei → San Francisco
 N2138U Boeing 777-300ER In progress ~10391 km est.
2026-10-03 02:01 UTC UAL872 TPE → SFO
Taipei → San Francisco
 N2748U Boeing 777-300ER Completed (landing confirmed by airport data) ~10504 km est. (2556 km recorded)
2026-10-02 03:07 UTC UAL872 TPE → SFO
Taipei → San Francisco
 N2250U Boeing 777-300ER Completed (landing confirmed by airport data) ~10571 km est. (860 km recorded)
2026-10-01 02:05 UTC UAL872 TPE → SFO
Taipei → San Francisco
 N2136U Boeing 777-300ER Completed (landing confirmed by airport data) ~10464 km est. (2406 km recorded)
2026-09-30 02:43 UTC UAL872 TPE → SFO
Taipei → San Francisco
 N2331U Boeing 777-300ER Completed (landing confirmed by airport data) ~10479 km est. (2491 km recorded)

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