Flight Don Mueang International Airport departs from Bangkok Don Mueang International Airport at 21:40 and arrives at Guangzhou Guangzhou Baiyun International Airport at 01:55.
The flighttime is about 3h 15m. The distance travelled ("as the bird flies"): 1440 Km. So the average speed is roughly 443 Km.
There is an 1 hour time difference between Bangkok and Guangzhou
The best day to arrive at Bangkok is Saturday and it would be best to avoid Monday, as prices are on average 112.31% higher than on Saturday. (Average prices, based on 220905 datapoints.)
We have a lot more statistics for flights 9C 7420 and between Bangkok and Guangzhou.