Flight Suvarnabhumi Airport departs from Bangkok Suvarnabhumi Airport at 00:10 and arrives at Guangzhou Guangzhou Baiyun International Airport at 03:55.
The flighttime is about 2h 45m. The distance travelled ("as the bird flies"): 1426 Km. So the average speed is roughly 519 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 343.7% higher than on Monday. (Average prices, based on 2108664 datapoints.)
We have a lot more statistics for flights AQ 1266 and between Bangkok and Guangzhou.