Flight Hong Kong International Airport departs from Hong Kong Hong Kong International Airport at 15:05 and arrives at Shanghai Hongqiao International Airport at 17:45.
The flighttime is about 2h 40m. The distance travelled ("as the bird flies"): 942 Km. So the average speed is roughly 353 Km.
The best day to arrive at Hong Kong is Wednesday and it would be best to avoid Saturday, as prices are on average 175.62% higher than on Wednesday. (Average prices, based on 822894 datapoints.)
We have a lot more statistics for flights MU 508 and between Hong Kong and Shanghai.