Flight Sabiha Gökcen International Airport departs from Istanbul Sabiha Gökcen International Airport at 11:20 and arrives at Frankfurt Frankfurt Airport at 13:40.
The flighttime is about 3h 20m. The distance travelled ("as the bird flies"): 2498 Km. So the average speed is roughly 749 Km.
There is an 1 hour time difference between Istanbul and Frankfurt