Flight Don Mueang International Airport departs from Bangkok Don Mueang International Airport at 18:50 and arrives at Phuket Phuket International Airport at 20:15.
The flighttime is about 1h 25m. The distance travelled ("as the bird flies"): 276 Km. So the average speed is roughly 195 Km.
The best day to arrive at Bangkok is Tuesday and it would be best to avoid Friday, as prices are on average 68.84% higher than on Tuesday. (Average prices, based on 33676197 datapoints.)
We have a lot more statistics for flights DD 5340 and between Bangkok and Phuket.