Flight King Khaled International Airport departs from Riyadh King Khaled International Airport at 20:20 and arrives at Dubai International Airport at 23:30.
The flighttime is about 2h 10m. The distance travelled ("as the bird flies"): 964 Km. So the average speed is roughly 445 Km.
There is an 1 hour time difference between Riyadh and Dubai
The best day to arrive at Riyadh is Friday and it would be best to avoid Wednesday, as prices are on average 165.61% higher than on Friday. (Average prices, based on 620900 datapoints.)
We have a lot more statistics for flights EK 818 and between Riyadh and Dubai.