United Airlines flight UA 878: Hong Kong - San Francisco

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 22:30 Hong Kong (HKG) 1 18:55 San Francisco (SFO) I
UA 878 Non-stop Boeing 777-300ER (77W) 12:25 Valid until 2026-03-07
Daily 22:30 Hong Kong (HKG) 1 19:55 San Francisco (SFO) I
UA 878 Non-stop Boeing 777-300ER (77W) 12:25 Effective 2026-03-08 through 2026-03-28
Daily 22:30 Hong Kong (HKG) 1 20:05 San Francisco (SFO) I
UA 878 Non-stop Boeing 777-300ER (77W) 12:35 Effective 2026-03-29 through 2026-05-20
Daily 22:30 Hong Kong (HKG) 1 20:35 San Francisco (SFO) I
UA 878 Non-stop Boeing 777-300ER (77W) 13:05 Effective 2026-05-21 through 2026-09-07
Daily 22:30 Hong Kong (HKG) 1 20:10 San Francisco (SFO) I
UA 878 Non-stop Boeing 777-300ER (77W) 12:40 Effective 2026-09-08 through 2026-10-24
Daily 22:30 Hong Kong (HKG) 1 19:55 San Francisco (SFO) I
UA 878 Non-stop Boeing 777-300ER (77W) 12:25 Effective from 2026-10-25


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United Airlines flight UA 878:
Hong Kong - San Francisco
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA878
22:30
Hong Kong (HKG) 1

18:55
San Francisco (SFO) I
Valid until 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 12:25, non-stop
Boeing 777-300ER (77W)
Direct Flights:
United Airlines UA878
22:30
Hong Kong (HKG) 1

19:55
San Francisco (SFO) I
Effective 2026-03-08 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 12:25, non-stop
Boeing 777-300ER (77W)
Direct Flights:
United Airlines UA878
22:30
Hong Kong (HKG) 1

20:05
San Francisco (SFO) I
Effective 2026-03-29 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 12:35, non-stop
Boeing 777-300ER (77W)
Direct Flights:
United Airlines UA878
22:30
Hong Kong (HKG) 1

20:35
San Francisco (SFO) I
Effective 2026-05-21 through 2026-09-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 13:05, non-stop
Boeing 777-300ER (77W)
Direct Flights:
United Airlines UA878
22:30
Hong Kong (HKG) 1

20:10
San Francisco (SFO) I
Effective 2026-09-08 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 12:40, non-stop
Boeing 777-300ER (77W)
Direct Flights:
United Airlines UA878
22:30
Hong Kong (HKG) 1

19:55
San Francisco (SFO) I
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 12:25, non-stop
Boeing 777-300ER (77W)
  • UA 878 is an international flight departing from Hong Kong airport, Hong Kong (HKG) and arriving at San Francisco airport, United States (SFO).
  • The flight distance is 6910 miles, or 11121 km.
  • The timezone of the departure airport is UTC+8 , and the timezone of the arrival airport is UTC-8 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
  • For direct flights, the flight time varies between 12:25 and 13:05.
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