Flight Benazir Bhutto International Airport departs from Islamabad Benazir Bhutto International Airport at 06:35 and arrives at Istanbul Istanbul Atatürk Airport at 10:45.
The flighttime is about 7h 10m. The distance travelled ("as the bird flies"): 4943 Km. So the average speed is roughly 690 Km.
There is an 3 hour time difference between Islamabad and Istanbul