Flight Soekarno–Hatta International Airport departs from Jakarta Soekarno–Hatta International Airport at 19:30 and arrives at Perth Perth Airport at 00:45.
The flighttime is about 4h 15m. The distance travelled ("as the bird flies"): 1448 Km. So the average speed is roughly 341 Km.
There is an 1 hour time difference between Jakarta and Perth
The best day to arrive at Jakarta is Monday and it would be best to avoid Saturday, as prices are on average 54.68% higher than on Monday. (Average prices, based on 214287 datapoints.)
We have a lot more statistics for flights QZ 532 and between Jakarta and Perth.