Flight Phuket International Airport departs from Phuket Phuket International Airport at 18:55 and arrives at Shanghai Pudong International Airport at 01:45.
The flighttime is about 5h 50m. The distance travelled ("as the bird flies"): 2707 Km. So the average speed is roughly 464 Km.
There is an 1 hour time difference between Phuket and Shanghai