Flight Da Nang International Airport departs from Da Nang Da Nang International Airport at 18:10 and arrives at Hong Kong Hong Kong International Airport at 21:05.
The flighttime is about 1h 55m. The distance travelled ("as the bird flies"): 682 Km. So the average speed is roughly 356 Km.
There is an 1 hour time difference between Da Nang and Hong Kong