Flight Luis Munoz Marin International Airport departs from San Juan Luis Munoz Marin International Airport at 12:46 and arrives at Boston General Edward Lawrence Logan International Airport at 16:55.
The flighttime is about 5h 09m. The distance travelled ("as the bird flies"): 1112 Km. So the average speed is roughly 216 Km.
There is an 1 hour time difference between San Juan and Boston