Flight Don Mueang International Airport departs from Bangkok Don Mueang International Airport at 18:25 and arrives at Ahmedabad Sardar Vallabhbhai Patel International Airport at 21:05.
The flighttime is about 4h 10m. The distance travelled ("as the bird flies"): 3101 Km. So the average speed is roughly 744 Km.
There is an 1.5 hour time difference between Bangkok and Ahmedabad