Flight Hong Kong International Airport departs from Hong Kong Hong Kong International Airport at 13:00 and arrives at Shanghai Pudong International Airport at 15:20.
The flighttime is about 2h 20m. The distance travelled ("as the bird flies"): 988 Km. So the average speed is roughly 423 Km.
The best day to arrive at Hong Kong is Wednesday and it would be best to avoid Saturday, as prices are on average 310.9% higher than on Wednesday. (Average prices, based on 13008780 datapoints.)
We have a lot more statistics for flights CX 346 and between Hong Kong and Shanghai.