Flight Suvarnabhumi Airport departs from Bangkok Suvarnabhumi Airport at 15:25 and arrives at Phuket Phuket International Airport at 16:45.
The flighttime is about 1h 20m. The distance travelled ("as the bird flies"): 290 Km. So the average speed is roughly 218 Km.
The best day to arrive at Bangkok is Monday and it would be best to avoid Sunday, as prices are on average 24.45% higher than on Monday. (Average prices, based on 21575994 datapoints.)
This graph shows the distribution of prices found in the past years for this flight. (Average prices, based on 1138 datapoints.)
We have a lot more statistics for flights WE 275 and between Bangkok and Phuket.