Flight Istanbul Atatürk Airport departs from Istanbul Istanbul Atatürk Airport at 18:35 and arrives at Colombo Bandaranaike International Airport at 05:20.
The flighttime is about 8h 15m. The distance travelled ("as the bird flies"): 5889 Km. So the average speed is roughly 714 Km.
There is an 2.5 hour time difference between Istanbul and Colombo