Flight Guangzhou Baiyun International Airport departs from Guangzhou Guangzhou Baiyun International Airport at 18:35 and arrives at Singapore Changi Airport at 22:30.
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 Tuesday and it would be best to avoid Thursday, as prices are on average 189.03% higher than on Tuesday. (Average prices, based on 124315 datapoints.)
We have a lot more statistics for flights CZ 351 and between Guangzhou and Singapore.