Flight International Airport departs from Dubai International Airport at 17:45 and arrives at Riyadh King Khaled International Airport at 18:50.
The flighttime is about 2h 05m. The distance travelled ("as the bird flies"): 964 Km. So the average speed is roughly 463 Km.
There is an 1 hour time difference between Dubai and Riyadh
The best day to arrive at Dubai is Sunday and it would be best to avoid Friday, as prices are on average 107.78% higher than on Sunday. (Average prices, based on 707390 datapoints.)
We have a lot more statistics for flights EK 817 and between Dubai and Riyadh.