Flight Incheon International Airport departs from Seoul Incheon International Airport at 09:15 and arrives at Xi an Xi'an Xianyang International Airport at 11:45.
The flighttime is about 3h 30m. The distance travelled ("as the bird flies"): 1974 Km. So the average speed is roughly 564 Km.
There is an 1 hour time difference between Seoul and Xi an
