Flight Incheon International Airport departs from Seoul Incheon International Airport at 14:35 and arrives at Changchun Longjia Airport at 15:50.
The flighttime is about 10h 15m. The distance travelled ("as the bird flies"): 437 Km. So the average speed is roughly 43 Km.
There is an 9 hour time difference between Seoul and Changchun
