Flight Hong Kong International Airport departs from Hong Kong Hong Kong International Airport at 15:00 and arrives at Shanghai Pudong International Airport at 17:40.
The flighttime is about 2h 40m. The distance travelled ("as the bird flies"): 988 Km. So the average speed is roughly 370 Km.
The best day to arrive at Hong Kong is Friday and it would be best to avoid Thursday, as prices are on average 346.18% higher than on Friday. (Average prices, based on 13009152 datapoints.)
We have a lot more statistics for flights CX 380 and between Hong Kong and Shanghai.