Flight Suvarnabhumi Airport departs from Bangkok Suvarnabhumi Airport at 15:20 and arrives at Phuket Phuket International Airport at 16:50.
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 Tuesday and it would be best to avoid Saturday, as prices are on average 54.1% higher than on Tuesday. (Average prices, based on 22544094 datapoints.)
This graph shows the distribution of prices found in the past years for this flight. (Average prices, based on 347 datapoints.)
We have a lot more statistics for flights VZ 306 and between Bangkok and Phuket.