Flight Soekarno–Hatta International Airport departs from Jakarta Soekarno–Hatta International Airport at 22:45 and arrives at Beijing Beijing Capital International Airport at 06:55.
The flighttime is about 7h 10m. The distance travelled ("as the bird flies"): 2114 Km. So the average speed is roughly 295 Km.
There is an 1 hour time difference between Jakarta and Beijing
The best day to arrive at Jakarta is Sunday and it would be best to avoid Monday, as prices are on average 194.95% higher than on Sunday. (Average prices, based on 46099 datapoints.)
We have a lot more statistics for flights CA 978 and between Jakarta and Beijing.