Flight Zhoushuizi Airport departs from Dalian Zhoushuizi Airport at 09:15 and arrives at Osaka Kansai International Airport at 12:35.
The flighttime is about 2h 20m. The distance travelled ("as the bird flies"): 1555 Km. So the average speed is roughly 666 Km.
There is an 1 hour time difference between Dalian and Osaka