Flight Changi Airport departs from Singapore Changi Airport at 19:45 and arrives at Penang Penang International Airport at 21:20.
The flighttime is about 1h 35m. The distance travelled ("as the bird flies"): 423 Km. So the average speed is roughly 267 Km.
The best day to arrive at Singapore is Saturday and it would be best to avoid Thursday, as prices are on average 137.12% higher than on Saturday. (Average prices, based on 2118246 datapoints.)
We have a lot more statistics for flights SQ 8602 and between Singapore and Penang.