Flight Hong Kong International Airport departs from Hong Kong Hong Kong International Airport at 15:05 and arrives at Fukuoka Fukuoka Airport at 19:30.
The flighttime is about 3h 25m. The distance travelled ("as the bird flies"): 1948 Km. So the average speed is roughly 570 Km.
There is an 1 hour time difference between Hong Kong and Fukuoka