Flight Xinzheng Airport departs from Zhengzhou Xinzheng Airport at 18:30 and arrives at Seoul Incheon International Airport at 21:45.
The flighttime is about 2h 15m. The distance travelled ("as the bird flies"): 1411 Km. So the average speed is roughly 627 Km.
There is an 1 hour time difference between Zhengzhou and Seoul
