Flight Changi Airport departs from Singapore Changi Airport at 19:30 and arrives at Kuala Lumpur Kuala Lumpur International Airport at 20:45.
The flighttime is about 1h 15m. The distance travelled ("as the bird flies"): 256 Km. So the average speed is roughly 205 Km.
The best day to arrive at Singapore is Tuesday and it would be best to avoid Friday, as prices are on average 106.11% higher than on Tuesday. (Average prices, based on 80788392 datapoints.)
We have a lot more statistics for flights FY 7332 and between Singapore and Kuala Lumpur.