Flight Kuala Lumpur International Airport departs from Kuala Lumpur Kuala Lumpur International Airport at 02:20 and arrives at Guangzhou Guangzhou Baiyun International Airport at 06:40.
The flighttime is about 4h 20m. The distance travelled ("as the bird flies"): 1443 Km. So the average speed is roughly 333 Km.
The best day to arrive at Kuala Lumpur is Thursday and it would be best to avoid Friday, as prices are on average 87.77% higher than on Thursday. (Average prices, based on 1057186 datapoints.)
We have a lot more statistics for flights MH 4478 and between Kuala Lumpur and Guangzhou.