Flight Changi Airport departs from Singapore Changi Airport at 20:45 and arrives at Kuala Lumpur Kuala Lumpur International Airport at 21:55.
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 Singapore is Tuesday and it would be best to avoid Friday, as prices are on average 140.31% higher than on Tuesday. (Average prices, based on 80536692 datapoints.)
We have a lot more statistics for flights AK 718 and between Singapore and Kuala Lumpur.