Flight Soekarno–Hatta International Airport departs from Jakarta Soekarno–Hatta International Airport at 23:50 and arrives at Shanghai Pudong International Airport at 07:05.
The flighttime is about 6h 15m. The distance travelled ("as the bird flies"): 2320 Km. So the average speed is roughly 371 Km.
There is an 1 hour time difference between Jakarta and Shanghai
The best day to arrive at Jakarta is Monday and it would be best to avoid Saturday, as prices are on average 29.87% higher than on Monday. (Average prices, based on 201396 datapoints.)
We have a lot more statistics for flights GA 894 and between Jakarta and Shanghai.
