Flight Guangzhou Baiyun International Airport departs from Guangzhou Guangzhou Baiyun International Airport at 09:00 and arrives at Beijing Daxing International Airport at 12:15.
The flighttime is about 3h 15m. The distance travelled ("as the bird flies"): 826 Km. So the average speed is roughly 254 Km.
The best day to arrive at Guangzhou is Wednesday and it would be best to avoid Thursday, as prices are on average 77.95% higher than on Wednesday. (Average prices, based on 102239 datapoints.)
We have a lot more statistics for flights CZ 3099 and between Guangzhou and Beijing.
