Flight Changi Airport departs from Singapore Changi Airport at 10:00 and arrives at Sydney Sydney Airport at 19:35.
The flighttime is about 7h 35m. The distance travelled ("as the bird flies"): 5577 Km. So the average speed is roughly 735 Km.
There is an 2 hour time difference between Singapore and Sydney
The best day to arrive at Singapore is Thursday and it would be best to avoid Tuesday, as prices are on average 186.83% higher than on Thursday. (Average prices, based on 767019 datapoints.)
We have a lot more statistics for flights TR 12 and between Singapore and Sydney.
