Flight Lukou Airport departs from Nanjing Lukou Airport at 09:05 and arrives at Osaka Kansai International Airport at 12:20.
The flighttime is about 2h 15m. The distance travelled ("as the bird flies"): 1830 Km. So the average speed is roughly 813 Km.
There is an 1 hour time difference between Nanjing and Osaka
