Flight Suvarnabhumi Airport departs from Bangkok Suvarnabhumi Airport at 13:55 and arrives at Colombo Bandaranaike International Airport at 15:45.
The flighttime is about 3h 20m. The distance travelled ("as the bird flies"): 2317 Km. So the average speed is roughly 695 Km.
There is an 1.5 hour time difference between Bangkok and Colombo
