Flight Soekarno–Hatta International Airport departs from Jakarta Soekarno–Hatta International Airport at 13:15 and arrives at Guangzhou Guangzhou Baiyun International Airport at 19:35.
The flighttime is about 5h 20m. The distance travelled ("as the bird flies"): 1322 Km. So the average speed is roughly 248 Km.
There is an 1 hour time difference between Jakarta and Guangzhou
The best day to arrive at Jakarta is Tuesday and it would be best to avoid Friday, as prices are on average 48.7% higher than on Tuesday. (Average prices, based on 4017943 datapoints.)
This graph shows the distribution of prices found in the past years for this flight. (Average prices, based on 127 datapoints.)
We have a lot more statistics for flights CZ 3038 and between Jakarta and Guangzhou.