Flight Incheon International Airport departs from Seoul Incheon International Airport at 09:30 and arrives at Sendai Sendai International Airport at 11:40.
The flighttime is about 11h 10m. The distance travelled ("as the bird flies"): 1609 Km. So the average speed is roughly 144 Km.
There is an 9 hour time difference between Seoul and Sendai
