Flight Pudong International Airport departs from Shanghai Pudong International Airport at 07:40 and arrives at Phuket Phuket International Airport at 12:10.
The flighttime is about 5h 30m. The distance travelled ("as the bird flies"): 2707 Km. So the average speed is roughly 492 Km.
There is an 1 hour time difference between Shanghai and Phuket