Flight Jinnah International Airport departs from Karachi Jinnah International Airport at 21:00 and arrives at Jeddah King Abdulaziz International Airport at 23:40.
The flighttime is about 4h 40m. The distance travelled ("as the bird flies"): 3120 Km. So the average speed is roughly 669 Km.
There is an 2 hour time difference between Karachi and Jeddah
The best day to arrive at Karachi is Monday and it would be best to avoid Thursday, as prices are on average 121.75% higher than on Monday. (Average prices, based on 115731 datapoints.)
We have a lot more statistics for flights PK 831 and between Karachi and Jeddah.