Flight Xi'an Xianyang International Airport departs from Xi an Xi'an Xianyang International Airport at 13:25 and arrives at Seoul Incheon International Airport at 17:10.
The flighttime is about 2h 45m. The distance travelled ("as the bird flies"): 1974 Km. So the average speed is roughly 718 Km.
There is an 1 hour time difference between Xi an and Seoul