Flight Kempegowda International Airport departs from Bangalore Kempegowda International Airport at 03:50 and arrives at Doha International Airport at 05:50.
The flighttime is about 4h 30m. The distance travelled ("as the bird flies"): 2946 Km. So the average speed is roughly 655 Km.
There is an 2.5 hour time difference between Bangalore and Doha