Flight Suvarnabhumi Airport departs from Bangkok Suvarnabhumi Airport at 21:55 and arrives at Phuket Phuket International Airport at 23:25.
The flighttime is about 1h 30m. The distance travelled ("as the bird flies"): 290 Km. So the average speed is roughly 193 Km.
The best day to arrive at Bangkok is Wednesday and it would be best to avoid Friday, as prices are on average 42.45% higher than on Wednesday. (Average prices, based on 21791995 datapoints.)
This graph shows the distribution of prices found in the past years for this flight. (Average prices, based on 515 datapoints.)
We have a lot more statistics for flights PG 287 and between Bangkok and Phuket.