Flight Soekarno–Hatta International Airport departs from Jakarta Soekarno–Hatta International Airport at 14:20 and arrives at Taipei Taipei Songshan Airport at 20:45.
The flighttime is about 13h 25m. The distance travelled ("as the bird flies"): 2129 Km. So the average speed is roughly 159 Km.
There is an 7 hour time difference between Jakarta and Taipei