Flight Jinnah International Airport departs from Karachi Jinnah International Airport at 10:25 and arrives at Doha International Airport at 10:55.
The flighttime is about 2h 30m. The distance travelled ("as the bird flies"): 1734 Km. So the average speed is roughly 694 Km.
There is an 2 hour time difference between Karachi and Doha