Flight Guangzhou Baiyun International Airport departs from Guangzhou Guangzhou Baiyun International Airport at 19:25 and arrives at Singapore Changi Airport at 23:30.
The flighttime is about 4h 05m. The distance travelled ("as the bird flies"): 1282 Km. So the average speed is roughly 314 Km.
The best day to arrive at Guangzhou is Tuesday and it would be best to avoid Wednesday, as prices are on average 160.52% higher than on Tuesday. (Average prices, based on 158662 datapoints.)
We have a lot more statistics for flights CZ 351 and between Guangzhou and Singapore.
