Flight Düsseldorf Airport departs from Dusseldorf Düsseldorf Airport at 15:05 and arrives at Izmir Adnan Menderes International Airport at 19:20.
The flighttime is about 3h 15m. The distance travelled ("as the bird flies"): 2650 Km. So the average speed is roughly 815 Km.
There is an 1 hour time difference between Dusseldorf and Izmir