Flight Hangzhou Xiaoshan International Airport departs from Hangzhou Hangzhou Xiaoshan International Airport at 17:55 and arrives at Jakarta Soekarno–Hatta International Airport at 23:10.
The flighttime is about 6h 15m. The distance travelled ("as the bird flies"): 2163 Km. So the average speed is roughly 346 Km.
There is an 1 hour time difference between Hangzhou and Jakarta