Flight Luis Munoz Marin International Airport departs from San Juan Luis Munoz Marin International Airport at 14:55 and arrives at Houston George Bush Intercontinental Airport at 18:49.
The flighttime is about 4h 54m. The distance travelled ("as the bird flies"): 3252 Km. So the average speed is roughly 664 Km.
There is an 1 hour time difference between San Juan and Houston