Flight Don Mueang International Airport departs from Bangkok Don Mueang International Airport at 21:40 and arrives at Guangzhou Guangzhou Baiyun International Airport at 01:40.
The flighttime is about 3h 00m. The distance travelled ("as the bird flies"): 1440 Km. So the average speed is roughly 480 Km.
There is an 1 hour time difference between Bangkok and Guangzhou
The best day to arrive at Bangkok is Monday and it would be best to avoid Saturday, as prices are on average 364.83% higher than on Monday. (Average prices, based on 430923 datapoints.)
We have a lot more statistics for flights SL 900 and between Bangkok and Guangzhou.