Flight Sydney Airport departs from Sydney Sydney Airport at 21:45 and arrives at Gold Coast Gold Coast Airport at 22:05.
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 Thursday and it would be best to avoid Sunday, as prices are on average 243.11% higher than on Thursday. (Average prices, based on 858025 datapoints.)
We have a lot more statistics for flights JQ 420 and between Sydney and Gold Coast.