Flight Suvarnabhumi Airport departs from Bangkok Suvarnabhumi Airport at 17:05 and arrives at Phuket Phuket International Airport at 18:30.
The flighttime is about 1h 25m. The distance travelled ("as the bird flies"): 290 Km. So the average speed is roughly 205 Km.
The best day to arrive at Bangkok is Monday and it would be best to avoid Sunday, as prices are on average 42.95% higher than on Monday. (Average prices, based on 21440015 datapoints.)
This graph shows the distribution of prices found in the past years for this flight. (Average prices, based on 183 datapoints.)
We have a lot more statistics for flights PG 277 and between Bangkok and Phuket.