Flight Shenzhen Bao'an International Airport departs from Shenzhen Shenzhen Bao'an International Airport at 00:05 and arrives at Hanoi Noi Bai International Airport at 01:00.
The flighttime is about 1h 55m. The distance travelled ("as the bird flies"): 891 Km. So the average speed is roughly 465 Km.
There is an 1 hour time difference between Shenzhen and Hanoi