Flight Incheon International Airport departs from Seoul Incheon International Airport at 13:20 and arrives at Changchun Longjia Airport at 14:25.
The flighttime is about 10h 05m. 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
