Flight Pudong International Airport departs from Shanghai Pudong International Airport at 09:30 and arrives at Hanoi Noi Bai International Airport at 12:30.
The flighttime is about 4h 00m. The distance travelled ("as the bird flies"): 1828 Km. So the average speed is roughly 457 Km.
There is an 1 hour time difference between Shanghai and Hanoi