Flight International Airport departs from Muscat International Airport at 11:20 and arrives at Dubai International Airport at 12:25.
The flighttime is about 1h 05m. The distance travelled ("as the bird flies"): 340 Km. So the average speed is roughly 314 Km.
The best day to arrive at Muscat is Saturday and it would be best to avoid Thursday, as prices are on average 67.66% higher than on Saturday. (Average prices, based on 151152 datapoints.)
We have a lot more statistics for flights EK 863 and between Muscat and Dubai.