Flight Taoyuan International Airport departs from Taipei Taoyuan International Airport at 09:00 and arrives at Jakarta Soekarno–Hatta International Airport at 13:20.
The flighttime is about 5h 20m. The distance travelled ("as the bird flies"): 2098 Km. So the average speed is roughly 393 Km.
There is an 1 hour time difference between Taipei and Jakarta
The best month to arrive at Taipei is October and the most expensive month to fly is January. (Average prices, based on 667 datapoints.)
We have a lot more statistics for flights QF 237 and between Taipei and Jakarta.