Flight Sydney Airport departs from Sydney Sydney Airport at 10:45 and arrives at Gold Coast Gold Coast Airport at 11:05.
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 Wednesday and it would be best to avoid Friday, as prices are on average 62.66% higher than on Wednesday. (Average prices, based on 855863 datapoints.)
We have a lot more statistics for flights JQ 408 and between Sydney and Gold Coast.