Flight Changi Airport departs from Singapore Changi Airport at 12:45 and arrives at Kuala Lumpur Kuala Lumpur International Airport at 13:45.
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 Thursday and it would be best to avoid Sunday, as prices are on average 98.45% higher than on Thursday. (Average prices, based on 80755092 datapoints.)
We have a lot more statistics for flights MI 328 and between Singapore and Kuala Lumpur.