Flight Taoxian Airport departs from Shenyang Taoxian Airport at 16:35 and arrives at Seoul Incheon International Airport at 19:40.
The flighttime is about 2h 05m. The distance travelled ("as the bird flies"): 424 Km. So the average speed is roughly 204 Km.
There is an 1 hour time difference between Shenyang and Seoul