Flight Daxing International Airport departs from Beijing Daxing International Airport at 10:25 and arrives at Osaka Kansai International Airport at 14:45.
The flighttime is about 3h 20m. The distance travelled ("as the bird flies"): 2118 Km. So the average speed is roughly 635 Km.
There is an 1 hour time difference between Beijing and Osaka
