Flight Guangzhou Baiyun International Airport departs from Guangzhou Guangzhou Baiyun International Airport at 10:40 and arrives at Singapore Changi Airport at 14:40.
The flighttime is about 4h 00m. The distance travelled ("as the bird flies"): 1282 Km. So the average speed is roughly 320 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 123622 datapoints.)
We have a lot more statistics for flights TR 101 and between Guangzhou and Singapore.