Flight King Abdulaziz International Airport departs from Jeddah King Abdulaziz International Airport at 14:15 and arrives at Istanbul Istanbul Atatürk Airport at 18:30.
The flighttime is about 5h 15m. The distance travelled ("as the bird flies"): 2111 Km. So the average speed is roughly 402 Km.
There is an 1 hour time difference between Jeddah and Istanbul
The best day to arrive at Jeddah is Tuesday and it would be best to avoid Monday, as prices are on average 287% higher than on Tuesday. (Average prices, based on 1860833 datapoints.)
We have a lot more statistics for flights TK 121 and between Jeddah and Istanbul.