Flight Rafic Hariri International Airport departs from Beirut Rafic Hariri International Airport at 06:45 and arrives at Dubai International Airport at 11:55.
The flighttime is about 4h 10m. The distance travelled ("as the bird flies"): 2305 Km. So the average speed is roughly 553 Km.
There is an 1 hour time difference between Beirut and Dubai