Flight Hong Kong International Airport departs from Hong Kong Hong Kong International Airport at 15:55 and arrives at Shanghai Hongqiao International Airport at 19:00.
The flighttime is about 3h 05m. The distance travelled ("as the bird flies"): 942 Km. So the average speed is roughly 306 Km.
The best day to arrive at Hong Kong is Wednesday and it would be best to avoid Thursday, as prices are on average 66.41% higher than on Wednesday. (Average prices, based on 823529 datapoints.)
We have a lot more statistics for flights MU 504 and between Hong Kong and Shanghai.