Flight Taoyuan International Airport departs from Taipei Taoyuan International Airport at 07:35 and arrives at Delhi Indira Gandhi International Airport at 12:40.
The flighttime is about 7h 35m. The distance travelled ("as the bird flies"): 4904 Km. So the average speed is roughly 647 Km.
There is an 2.5 hour time difference between Taipei and Delhi