Flight Ninoy Aquino International Airport departs from Manila Ninoy Aquino International Airport at 03:00 and arrives at Ho Chi Minh City Tan Son Nhat International Airport at 04:35.
The flighttime is about 2h 35m. The distance travelled ("as the bird flies"): 1605 Km. So the average speed is roughly 621 Km.
There is an 1 hour time difference between Manila and Ho Chi Minh City