Flight Kuala Lumpur International Airport departs from Kuala Lumpur Kuala Lumpur International Airport at 21:45 and arrives at Singapore Changi Airport at 22:55.
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 Friday and it would be best to avoid Wednesday, as prices are on average 863.24% higher than on Friday. (Average prices, based on 84645732 datapoints.)
We have a lot more statistics for flights SQ 127 and between Kuala Lumpur and Singapore.