Flight Phuket International Airport departs from Phuket Phuket International Airport at 16:45 and arrives at Bangkok Suvarnabhumi Airport at 18:15.
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 month to arrive at Phuket is September and the most expensive month to fly is February. (Average prices, based on 204 datapoints.)
We have a lot more statistics for flights PG 1276 and between Phuket and Bangkok.