UAL877

For travellers

Departure · San Francisco (SFO)

Terminal ITM · Gate G13

Scheduled 01 Oct 23:30 · Departed 01 Oct 23:43 · +13 min

Board status: Departed

Airborne since 00:16 (ADS-B)

Board data from sfo, updated 126 min ago; times local to each airport.

Flight

Status

In progress

Departure

San Francisco International Airport (SFO) — San Francisco, United States

Scheduled departure

2026-10-02 06:30 UTC

Departed

2026-10-02 07:16 UTC

Arrival

Hong Kong International Airport (HKG) — Hong Kong, Hong Kong (scheduled)

Progress

5% · ~11h 40m remaining

Also flies as

UA877

Distance flown

583 km

Straight-line distance

11128 km

Aircraft

Registration

N2645U

Type

Boeing 777-300ER

Seats

350 total (204 Economy, 62 Economy Plus, 24 Premium Plus, 60 Polaris)

CO2 (EMEP est., total)

797.3 t (5079 kg/pax Business, 2082 kg/pax Premium Economy, 1661 kg/pax Economy)

Altitude & speed

Max altitude

30,025 ft

Max ground speed

491 kt

Tracked

44m · 583 km

Note

still in progress - the track so far

Altitude (ft, max 30,025)

Ground speed (kt, max 491)

Altitude (ft, max 30,025)

Ground speed (kt, max 491)

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

Departed	Flight	Route	Reg	Aircraft	Status	Distance
2026-10-02 07:16 UTC	UAL877	SFO → HKG San Francisco → Hong Kong	N2645U	Boeing 777-300ER	In progress	~11128 km est.
2026-10-01 07:05 UTC	UAL877	SFO → HKG San Francisco → Hong Kong	N2138U	Boeing 777-300ER	Completed (landing confirmed by airport data)	11522 km
2026-09-30 06:45 UTC	UAL877	SFO → HKG San Francisco → Hong Kong	N2332U	Boeing 777-300ER	Completed (landing confirmed by airport data)	11496 km
2026-09-29 06:47 UTC	UAL877	SFO → HKG San Francisco → Hong Kong	N2645U	Boeing 777-300ER	Completed	11429 km
2026-09-28 07:19 UTC	UAL877	SFO → HKG San Francisco → Hong Kong	N2639U	Boeing 777-300ER	Completed	11980 km
2026-09-27 06:56 UTC	UAL877	SFO → HKG San Francisco → Hong Kong	N2749U	Boeing 777-300ER	Completed	11994 km
2026-09-26 07:28 UTC	UAL877	SFO → HKG San Francisco → Hong Kong	N2332U	Boeing 777-300ER	Completed	11912 km
2026-09-25 07:07 UTC	UAL877	SFO → HKG San Francisco → Hong Kong	N2136U	Boeing 777-300ER	Completed	11552 km
2026-09-24 06:52 UTC	UAL877	SFO → HKG San Francisco → Hong Kong	N2138U	Boeing 777-300ER	Completed	11549 km
2026-09-23 06:50 UTC	UAL877	SFO → HKG San Francisco → Hong Kong	N2331U	Boeing 777-300ER	Completed	11509 km
2026-09-22 07:07 UTC	UAL877	SFO → HKG San Francisco → Hong Kong	N2748U	Boeing 777-300ER	Completed	11559 km
2026-09-21 07:08 UTC	UAL877	SFO → HKG San Francisco → Hong Kong	N2333U	Boeing 777-300ER	Completed	11538 km
2026-09-20 06:51 UTC	UAL877	SFO → HKG San Francisco → Hong Kong	N2748U	Boeing 777-300ER	Completed	11538 km
2026-09-19 07:07 UTC	UAL877	SFO → HKG San Francisco → Hong Kong	N2136U	Boeing 777-300ER	Completed	11531 km
2026-09-18 07:05 UTC	UAL877	SFO → HKG San Francisco → Hong Kong	N2333U	Boeing 777-300ER	Completed	11610 km
2026-09-17 06:47 UTC	UAL877	SFO → HKG San Francisco → Hong Kong	N2250U	Boeing 777-300ER	Completed	11553 km
2026-09-16 06:50 UTC	UAL877	SFO → HKG San Francisco → Hong Kong	N2352U	Boeing 777-300ER	Completed	11520 km
2026-09-15 06:57 UTC	UAL877	SFO → HKG San Francisco → Hong Kong	N2534U	Boeing 777-300ER	Completed	11544 km
2026-09-14 06:49 UTC	UAL877	SFO → HKG San Francisco → Hong Kong	N2747U	Boeing 777-300ER	Completed	11542 km
2026-09-13 07:07 UTC	UAL877	SFO → HKG San Francisco → Hong Kong	N2341U	Boeing 777-300ER	Completed	11527 km
2026-09-12 07:03 UTC	UAL877	SFO → HKG San Francisco → Hong Kong	N2135U	Boeing 777-300ER	Completed	12099 km
2026-09-11 06:50 UTC	UAL877	SFO → HKG San Francisco → Hong Kong	N2645U	Boeing 777-300ER	Completed	11451 km
2026-09-10 07:00 UTC	UAL877	SFO → HKG San Francisco → Hong Kong	N2138U	Boeing 777-300ER	Completed	11479 km
2026-09-09 07:20 UTC	UAL877	SFO → HKG San Francisco → Hong Kong	N2140U	Boeing 777-300ER	Completed	11142 km
2026-09-08 07:44 UTC	UAL877	SFO → HKG San Francisco → Hong Kong	N2333U	Boeing 777-300ER	Completed (landing confirmed by airport data)	~11260 km est. (792 km recorded)
2026-09-07 07:06 UTC	UAL877	SFO → HKG San Francisco → Hong Kong	N2737U	Boeing 777-300ER	Completed	11640 km
2026-09-06 07:13 UTC	UAL877	SFO → HKG San Francisco → Hong Kong	N2251U	Boeing 777-300ER	Completed	11533 km
2026-09-05 07:37 UTC	UAL877	SFO → HKG San Francisco → Hong Kong	N2534U	Boeing 777-300ER	Completed	11504 km
2026-09-04 07:25 UTC	UAL877	SFO → HKG San Francisco → Hong Kong	N2332U	Boeing 777-300ER	Completed	11457 km
2026-09-03 07:27 UTC	UAL877	SFO → HKG San Francisco → Hong Kong	N2250U	Boeing 777-300ER	Completed	11891 km
2026-09-02 08:49 UTC	UAL877	SFO → HKG San Francisco → Hong Kong	N2645U	Boeing 777-300ER	Completed	11935 km
2026-09-01 07:16 UTC	UAL877	SFO → HKG San Francisco → Hong Kong	N2251U	Boeing 777-300ER	Completed	11573 km
2026-08-31 07:02 UTC	UAL877	SFO → HKG San Francisco → Hong Kong	N2138U	Boeing 777-300ER	Completed	11658 km
2026-08-30 07:09 UTC	UAL877	SFO → HKG San Francisco → Hong Kong	N2748U	Boeing 777-300ER	Completed	11564 km
2026-08-29 07:02 UTC	UAL877	SFO → HKG San Francisco → Hong Kong	N2645U	Boeing 777-300ER	Completed	11532 km
2026-08-28 10:11 UTC	UAL877	SFO → HKG San Francisco → Hong Kong	N2250U	Boeing 777-300ER	Completed	11535 km
2026-08-27 07:26 UTC	UAL877	SFO → HKG San Francisco → Hong Kong	N2639U	Boeing 777-300ER	Completed	11539 km
2026-08-26 07:21 UTC	UAL877	SFO → HKG San Francisco → Hong Kong	N2748U	Boeing 777-300ER	Completed	11488 km
2026-08-25 07:02 UTC	UAL877	SFO → HKG San Francisco → Hong Kong	N2341U	Boeing 777-300ER	Completed	12000 km
2026-08-24 07:17 UTC	UAL877	SFO → HKG San Francisco → Hong Kong	N2331U	Boeing 777-300ER	Completed	11525 km
2026-08-23 07:10 UTC	UAL877	SFO → HKG San Francisco → Hong Kong	N2136U	Boeing 777-300ER	Completed	11432 km
2026-08-22 07:07 UTC	UAL877	SFO → HKG San Francisco → Hong Kong	N2140U	Boeing 777-300ER	Completed	12567 km
2026-08-21 07:05 UTC	UAL877	SFO → HKG San Francisco → Hong Kong	N2639U	Boeing 777-300ER	Completed	12389 km
2026-08-20 07:07 UTC	UAL877	SFO → HKG San Francisco → Hong Kong	N2747U	Boeing 777-300ER	Completed	15394 km
2026-08-19 07:36 UTC	UAL877	SFO → HKG San Francisco → Hong Kong	N2748U	Boeing 777-300ER	Completed	14074 km
2026-08-18 07:41 UTC	UAL877	SFO → HKG San Francisco → Hong Kong	N2747U	Boeing 777-300ER	Completed	17025 km
2026-08-17 07:25 UTC	UAL877	SFO → HKG San Francisco → Hong Kong	N2250U	Boeing 777-300ER	Completed	12562 km
2026-08-16 06:47 UTC	UAL877	SFO → HKG San Francisco → Hong Kong	N2142U	Boeing 777-300ER	Completed	12659 km
2026-08-15 06:56 UTC	UAL877	SFO → HKG San Francisco → Hong Kong	N2737U	Boeing 777-300ER	Completed	13181 km
2026-08-14 06:50 UTC	UAL877	SFO → HKG San Francisco → Hong Kong	N2748U	Boeing 777-300ER	Completed	14651 km