Flight Changi Airport departs from Singapore Changi Airport at 09:45 and arrives at Kuala Lumpur Kuala Lumpur International Airport at 10:55.
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 Sunday and it would be best to avoid Tuesday, as prices are on average 415.46% higher than on Sunday. (Average prices, based on 80693859 datapoints.)
We have a lot more statistics for flights SQ 8508 and between Singapore and Kuala Lumpur.