Flight Taoyuan International Airport departs from Taipei Taoyuan International Airport at 18:50 and arrives at Bangkok Suvarnabhumi Airport at 21:35.
The flighttime is about 3h 45m. The distance travelled ("as the bird flies"): 2312 Km. So the average speed is roughly 617 Km.
There is an 1 hour time difference between Taipei and Bangkok
The best day to arrive at Taipei is Friday and it would be best to avoid Saturday, as prices are on average 92.26% higher than on Friday. (Average prices, based on 2990843 datapoints.)
We have a lot more statistics for flights TG 635 and between Taipei and Bangkok.