Flight Sydney Airport departs from Sydney Sydney Airport at 10:20 and arrives at Gold Coast Gold Coast Airport at 11:40.
The flighttime is about 1h 20m. The distance travelled ("as the bird flies"): 623 Km. So the average speed is roughly 467 Km.
The best day to arrive at Sydney is Saturday and it would be best to avoid Thursday, as prices are on average 160.21% higher than on Saturday. (Average prices, based on 857442 datapoints.)
We have a lot more statistics for flights VA 515 and between Sydney and Gold Coast.