Flight Changi Airport departs from Singapore Changi Airport at 17:00 and arrives at Kuala Lumpur Sultan Abdul Aziz Shah Airport at 18:00.
The flighttime is about 1h 00m. The distance travelled ("as the bird flies"): 275 Km. So the average speed is roughly 275 Km.
The best day to arrive at Singapore is Tuesday and it would be best to avoid Friday, as prices are on average 76.34% higher than on Tuesday. (Average prices, based on 1299479 datapoints.)
We have a lot more statistics for flights OD 808 and between Singapore and Kuala Lumpur.
