Flight Istanbul Atatürk Airport departs from Istanbul Istanbul Atatürk Airport at 15:40 and arrives at Marseille Marseille Provence Airport at 17:05.
The flighttime is about 2h 25m. The distance travelled ("as the bird flies"): 2636 Km. So the average speed is roughly 1091 Km.
There is an 1 hour time difference between Istanbul and Marseille