Flight Sydney Airport departs from Sydney Sydney Airport at 20:35 and arrives at Darwin Darwin International Airport at 00:45.
The flighttime is about 5h 40m. The distance travelled ("as the bird flies"): 2904 Km. So the average speed is roughly 512 Km.
There is an 1.5 hour time difference between Sydney and Darwin
The best day to arrive at Sydney is Friday and it would be best to avoid Wednesday, as prices are on average 743.18% higher than on Friday. (Average prices, based on 277003 datapoints.)
We have a lot more statistics for flights QF 842 and between Sydney and Darwin.
