Flight International Airport departs from San Francisco International Airport at 05:15 and arrives at Boston General Edward Lawrence Logan International Airport at 19:20.The flight has a short stop at Denver.
The flighttime is about 11h 05m. The distance travelled ("as the bird flies"): 5707 Km. So the average speed is roughly 515 Km.
There is an 3 hour time difference between San Francisco and Boston