Flight Changi Airport departs from Singapore Changi Airport at 17:00 and arrives at Kuala Lumpur Sultan Abdul Aziz Shah Airport at 18:15.
The flighttime is about 1h 15m. The distance travelled ("as the bird flies"): 275 Km. So the average speed is roughly 220 Km.
The best day to arrive at Singapore is Sunday and it would be best to avoid Thursday, as prices are on average 601.71% higher than on Sunday. (Average prices, based on 1254682 datapoints.)
We have a lot more statistics for flights SQ 8550 and between Singapore and Kuala Lumpur.
