Flight Guangzhou Baiyun International Airport departs from Guangzhou Guangzhou Baiyun International Airport at 15:45 and arrives at Jakarta Soekarno–Hatta International Airport at 19:40.
The flighttime is about 4h 55m. The distance travelled ("as the bird flies"): 1322 Km. So the average speed is roughly 269 Km.
There is an 1 hour time difference between Guangzhou and Jakarta