Flight International Airport departs from Doha International Airport at 12:55 and arrives at Kuwait City Kuwait International Airport at 14:20.
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 Monday and it would be best to avoid Saturday, as prices are on average 197.97% higher than on Monday. (Average prices, based on 102599 datapoints.)
We have a lot more statistics for flights KU 618 and between Doha and Kuwait City.