Flight Kuala Lumpur International Airport departs from Kuala Lumpur Kuala Lumpur International Airport at 09:25 and arrives at Chennai Chennai International Airport at 10:45.
The flighttime is about 3h 50m. The distance travelled ("as the bird flies"): 2384 Km. So the average speed is roughly 622 Km.
There is an 2.5 hour time difference between Kuala Lumpur and Chennai