Flight Lukou Airport departs from Nanjing Lukou Airport at 13:50 and arrives at Zhuhai Zhuhai Airport at 16:30.
The flighttime is about 10h 40m. The distance travelled ("as the bird flies"): 772 Km. So the average speed is roughly 72 Km.
There is an 8 hour time difference between Nanjing and Zhuhai