Flight International Airport departs from Doha International Airport at 14:40 and arrives at Kuwait City Kuwait International Airport at 16:05.
The flighttime is about 1h 25m. The distance travelled ("as the bird flies"): 491 Km. So the average speed is roughly 347 Km.
The best day to arrive at Doha is Sunday and it would be best to avoid Tuesday, as prices are on average 185.95% higher than on Sunday. (Average prices, based on 102815 datapoints.)
We have a lot more statistics for flights KU 624 and between Doha and Kuwait City.