San Francisco → London
Flights from San Francisco (SFO) to London (LHR) look smooth with a few bumpy patches today; expect firmer bumps over the Sierra Nevada on flights leaving overnight.
Departures every 6 hours, local time in San Francisco. Tap one for the full ride. Confidence: High for the next day, lower after that.
Takeoff – 18 min · 18 min · near San Francisco
Stay seated with your belt fastened; it usually passes in minutes.
Flying SFO to LHR?
Add your departure time for the forecast of your exact flight.
Today's forecast shows the bumpiest parts near San Francisco, over Nevada and over the North Atlantic. Most of the flight looks smooth.
Of the departures we checked today, the one leaving around 11:00 (San Francisco time) looks smoothest, with about 82% of the flight smooth.
About 11h 16m in the air for 8,616 km, estimated from the distance. Your airline's schedule may differ.
Forecast for passengers' peace of mind. Not for flight operations. Airlines and pilots decide. Forecast made with ECMWF open data (CC BY 4.0) and our own turbulence indices; route assumed to be the shortest path, flight time estimated. Overall today: mostly smooth. How it works