Flight Sultan Abdul Aziz Shah Airport departs from Kuala Lumpur Sultan Abdul Aziz Shah Airport at 16:45 and arrives at Singapore Changi Airport at 18:05.
The flighttime is about 1h 20m. The distance travelled ("as the bird flies"): 275 Km. So the average speed is roughly 206 Km.
The best month to arrive at Kuala Lumpur is April and the most expensive month to fly is September. (Average prices, based on 1248 datapoints.)
We have a lot more statistics for flights GA 5473 and between Kuala Lumpur and Singapore.