Flight Kuala Lumpur International Airport departs from Kuala Lumpur Kuala Lumpur International Airport at 10:10 and arrives at Hong Kong Hong Kong International Airport at 14:25.
The flighttime is about 4h 15m. The distance travelled ("as the bird flies"): 1494 Km. So the average speed is roughly 352 Km.
The best day to arrive at Kuala Lumpur is Wednesday and it would be best to avoid Saturday, as prices are on average 127.05% higher than on Wednesday. (Average prices, based on 4013015 datapoints.)
We have a lot more statistics for flights KA 728 and between Kuala Lumpur and Hong Kong.