Flight Guangzhou Baiyun International Airport departs from Guangzhou Guangzhou Baiyun International Airport at 08:20 and arrives at Singapore Changi Airport at 12:15.
The flighttime is about 3h 55m. The distance travelled ("as the bird flies"): 1282 Km. So the average speed is roughly 327 Km.
The best day to arrive at Guangzhou is Friday and it would be best to avoid Thursday, as prices are on average 153.33% higher than on Friday. (Average prices, based on 122915 datapoints.)
We have a lot more statistics for flights CZ 353 and between Guangzhou and Singapore.
THB
