Flight Hong Kong International Airport departs from Hong Kong Hong Kong International Airport at 17:45 and arrives at Xiamen Gaoqi International Airport at 19:15.
The flighttime is about 1h 30m. The distance travelled ("as the bird flies"): 481 Km. So the average speed is roughly 321 Km.
The best day to arrive at Hong Kong is Sunday and it would be best to avoid Thursday, as prices are on average 103.44% higher than on Sunday. (Average prices, based on 134159 datapoints.)
We have a lot more statistics for flights GA 978 and between Hong Kong and Xiamen.