Flight Istanbul Atatürk Airport departs from Istanbul Istanbul Atatürk Airport at 11:55 and arrives at Jeddah King Abdulaziz International Airport at 15:55.
The flighttime is about 4h 00m. The distance travelled ("as the bird flies"): 2111 Km. So the average speed is roughly 528 Km.
The best day to arrive at Istanbul is Friday and it would be best to avoid Saturday, as prices are on average 34.5% higher than on Friday. (Average prices, based on 3765076 datapoints.)
We have a lot more statistics for flights GA 266 and between Istanbul and Jeddah.