Flight Noi Bai International Airport departs from Hanoi Noi Bai International Airport at 12:05 and arrives at Taipei Taoyuan International Airport at 15:55.
The flighttime is about 2h 50m. The distance travelled ("as the bird flies"): 1723 Km. So the average speed is roughly 608 Km.
There is an 1 hour time difference between Hanoi and Taipei