Flight International Airport departs from Muscat International Airport at 20:15 and arrives at Dubai International Airport at 21:25.
The flighttime is about 1h 10m. The distance travelled ("as the bird flies"): 340 Km. So the average speed is roughly 291 Km.
The best day to arrive at Muscat is Saturday and it would be best to avoid Tuesday, as prices are on average 38.4% higher than on Saturday. (Average prices, based on 151173 datapoints.)
We have a lot more statistics for flights WY 611 and between Muscat and Dubai.