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 Monday and it would be best to avoid Friday, as prices are on average 152.88% higher than on Monday. (Average prices, based on 2991151 datapoints.)
We have a lot more statistics for flights TG 635 and between Taipei and Bangkok.