Flight Sydney Airport departs from Sydney Sydney Airport at 12:35 and arrives at Singapore Changi Airport at 18:55.
The flighttime is about 8h 20m. The distance travelled ("as the bird flies"): 5577 Km. So the average speed is roughly 669 Km.
There is an 2 hour time difference between Sydney and Singapore
The best day to arrive at Sydney is Wednesday and it would be best to avoid Sunday, as prices are on average 295.82% higher than on Wednesday. (Average prices, based on 362417 datapoints.)
We have a lot more statistics for flights TR3 and between Sydney and Singapore.