Flight Changi Airport departs from Singapore Changi Airport at 10:15 and arrives at Kuala Lumpur Kuala Lumpur International Airport at 11:15.
The flighttime is about 1h 00m. The distance travelled ("as the bird flies"): 256 Km. So the average speed is roughly 256 Km.
The best day to arrive at Singapore is Wednesday and it would be best to avoid Tuesday, as prices are on average 1134.36% higher than on Wednesday. (Average prices, based on 81068552 datapoints.)
We have a lot more statistics for flights SQ 112 and between Singapore and Kuala Lumpur.