Flight Tan Son Nhat International Airport departs from Ho Chi Minh City Tan Son Nhat International Airport at 19:50 and arrives at Shanghai Pudong International Airport at 00:55.
The flighttime is about 4h 05m. The distance travelled ("as the bird flies"): 1901 Km. So the average speed is roughly 466 Km.
There is an 1 hour time difference between Ho Chi Minh City and Shanghai