Flight Xi'an Xianyang International Airport departs from Xi an Xi'an Xianyang International Airport at 12:55 and arrives at Seoul Incheon International Airport at 16:45.
The flighttime is about 2h 50m. The distance travelled ("as the bird flies"): 1974 Km. So the average speed is roughly 697 Km.
There is an 1 hour time difference between Xi an and Seoul
