Flight Incheon International Airport departs from Seoul Incheon International Airport at 06:50 and arrives at Kunming Wujiaba International Airport at 09:55.
The flighttime is about 4h 05m. The distance travelled ("as the bird flies"): 2684 Km. So the average speed is roughly 657 Km.
There is an 1 hour time difference between Seoul and Kunming
