Flight Shenzhen Bao'an International Airport departs from Shenzhen Shenzhen Bao'an International Airport at 11:05 and arrives at Osaka Kansai International Airport at 16:00.
The flighttime is about 3h 55m. The distance travelled ("as the bird flies"): 2487 Km. So the average speed is roughly 635 Km.
There is an 1 hour time difference between Shenzhen and Osaka