Flight Rafic Hariri International Airport departs from Beirut Rafic Hariri International Airport at 07:30 and arrives at Dubai International Airport at 11:45.
The flighttime is about 3h 15m. The distance travelled ("as the bird flies"): 2305 Km. So the average speed is roughly 709 Km.
There is an 1 hour time difference between Beirut and Dubai