Flight Sydney Airport departs from Sydney Sydney Airport at 18:55 and arrives at Gold Coast Gold Coast Airport at 19:20.
The flighttime is about 0h 25m. The distance travelled ("as the bird flies"): 623 Km. So the average speed is roughly 1495 Km.
The best day to arrive at Sydney is Saturday and it would be best to avoid Tuesday, as prices are on average 266.21% higher than on Saturday. (Average prices, based on 857419 datapoints.)
We have a lot more statistics for flights QF 596 and between Sydney and Gold Coast.