Flight Tan Son Nhat International Airport departs from Ho Chi Minh City Tan Son Nhat International Airport at 14:40 and arrives at Kaohsiung International Airport at 19:00.
The flighttime is about 3h 20m. The distance travelled ("as the bird flies"): 1603 Km. So the average speed is roughly 481 Km.
There is an 1 hour time difference between Ho Chi Minh City and Kaohsiung