Flight Kempegowda International Airport departs from Bangalore Kempegowda International Airport at 04:00 and arrives at Phuket Phuket International Airport at 09:10.
The flighttime is about 3h 40m. The distance travelled ("as the bird flies"): 2294 Km. So the average speed is roughly 626 Km.
There is an 1.5 hour time difference between Bangalore and Phuket