Flight Sydney Airport departs from Sydney Sydney Airport at 10:05 and arrives at Gold Coast Gold Coast Airport at 10:25.
The flighttime is about 0h 20m. The distance travelled ("as the bird flies"): 623 Km. So the average speed is roughly 1869 Km.
The best day to arrive at Sydney is Sunday and it would be best to avoid Monday, as prices are on average 30.73% higher than on Sunday. (Average prices, based on 796901 datapoints.)
We have a lot more statistics for flights JQ 406 and between Sydney and Gold Coast.