Flight Guangzhou Baiyun International Airport departs from Guangzhou Guangzhou Baiyun International Airport at 18:40 and arrives at Jakarta Soekarno–Hatta International Airport at 22:30.
The flighttime is about 4h 50m. The distance travelled ("as the bird flies"): 1322 Km. So the average speed is roughly 274 Km.
There is an 1 hour time difference between Guangzhou and Jakarta
The best day to arrive at Guangzhou is Friday and it would be best to avoid Sunday, as prices are on average 174.15% higher than on Friday. (Average prices, based on 1162776 datapoints.)
We have a lot more statistics for flights CZ 387 and between Guangzhou and Jakarta.