Flight Changi Airport departs from Singapore Changi Airport at 18:45 and arrives at Kuala Lumpur Kuala Lumpur International Airport at 19:45.
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 Monday and it would be best to avoid Tuesday, as prices are on average 35.34% higher than on Monday. (Average prices, based on 82533449 datapoints.)
We have a lot more statistics for flights SQ 126 and between Singapore and Kuala Lumpur.
USD