Flight Kuala Lumpur International Airport departs from Kuala Lumpur Kuala Lumpur International Airport at 21:55 and arrives at Singapore Changi Airport at 23:05.
The flighttime is about 1h 10m. The distance travelled ("as the bird flies"): 256 Km. So the average speed is roughly 219 Km.
The best day to arrive at Kuala Lumpur is Tuesday and it would be best to avoid Sunday, as prices are on average 194.62% higher than on Tuesday. (Average prices, based on 91743990 datapoints.)
We have a lot more statistics for flights AK 723 and between Kuala Lumpur and Singapore.