Flight Düsseldorf Airport departs from Dusseldorf Düsseldorf Airport at 13:00 and arrives at Antalya Antalya Airport at 17:40.
The flighttime is about 3h 40m. The distance travelled ("as the bird flies"): 3064 Km. So the average speed is roughly 836 Km.
There is an 1 hour time difference between Dusseldorf and Antalya