Flight Changi Airport departs from Singapore Changi Airport at 15:40 and arrives at Penang Penang International Airport at 17:10.
The flighttime is about 1h 30m. The distance travelled ("as the bird flies"): 423 Km. So the average speed is roughly 282 Km.
The best day to arrive at Singapore is Friday and it would be best to avoid Wednesday, as prices are on average 205.92% higher than on Friday. (Average prices, based on 2413215 datapoints.)
We have a lot more statistics for flights MH 5744 and between Singapore and Penang.