Flight Phuket International Airport departs from Phuket Phuket International Airport at 09:35 and arrives at Koh Samui Samui International Airport at 10:30.
The flighttime is about 0h 55m. The distance travelled ("as the bird flies"): 196 Km. So the average speed is roughly 214 Km.
The best day to arrive at Phuket is Tuesday and it would be best to avoid Sunday, as prices are on average 85.92% higher than on Tuesday. (Average prices, based on 113276 datapoints.)
We have a lot more statistics for flights PG 252 and between Phuket and Koh Samui.