Flight Changi Airport departs from Singapore Changi Airport at 11:10 and arrives at Perth Perth Airport at 16:15.
The flighttime is about 5h 05m. The distance travelled ("as the bird flies"): 1789 Km. So the average speed is roughly 352 Km.
The best day to arrive at Singapore is Wednesday and it would be best to avoid Saturday, as prices are on average 359.67% higher than on Wednesday. (Average prices, based on 299994 datapoints.)
We have a lot more statistics for flights TR 10 and between Singapore and Perth.
