Flight Hong Kong International Airport departs from Hong Kong Hong Kong International Airport at 09:35 and arrives at Shanghai Hongqiao International Airport at 12:05.
The flighttime is about 2h 30m. The distance travelled ("as the bird flies"): 942 Km. So the average speed is roughly 377 Km.
The best day to arrive at Hong Kong is Tuesday and it would be best to avoid Friday, as prices are on average 25.29% higher than on Tuesday. (Average prices, based on 296664 datapoints.)
We have a lot more statistics for flights GA 342 and between Hong Kong and Shanghai.