United Airlines
flight
UA 939:
London Heathrow - San Francisco
London Heathrow - San Francisco
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FLIGHT SCHEDULE
Direct Flights:
United Airlines UA939
Effective 2026-03-29 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 11:05, non-stop
Boeing 777 (777)
Boeing 777 (777)
Direct Flights:
United Airlines UA939
Effective 2026-05-21 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 11:00, non-stop
Boeing 777 (777)
Boeing 777 (777)
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Parallax here LHR-SFO
- UA 939 is an international flight departing from London Heathrow airport, United Kingdom (LHR) and arriving at San Francisco airport, United States (SFO).
- The flight distance is 5350 miles, or 8610 km.
- The timezone of the departure airport is UTC+0 , 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 11:00 and 11:05.