Flight Changi Airport departs from Singapore Changi Airport at 23:25 and arrives at Kuala Lumpur Kuala Lumpur International Airport at 00:30.
The flighttime is about 1h 05m. The distance travelled ("as the bird flies"): 256 Km. So the average speed is roughly 236 Km.
The best day to arrive at Singapore is Tuesday and it would be best to avoid Sunday, as prices are on average 262.62% higher than on Tuesday. (Average prices, based on 80583910 datapoints.)
We have a lot more statistics for flights AK 722 and between Singapore and Kuala Lumpur.