Flight Istanbul Atatürk Airport departs from Istanbul Istanbul Atatürk Airport at 15:25 and arrives at Jeddah King Abdulaziz International Airport at 19:15.
The flighttime is about 3h 50m. The distance travelled ("as the bird flies"): 2111 Km. So the average speed is roughly 551 Km.
The best day to arrive at Istanbul is Tuesday and it would be best to avoid Friday, as prices are on average 25.03% higher than on Tuesday. (Average prices, based on 3734224 datapoints.)
We have a lot more statistics for flights GA 256 and between Istanbul and Jeddah.