Flight Suvarnabhumi Airport departs from Bangkok Suvarnabhumi Airport at 02:35 and arrives at Taipei Taoyuan International Airport at 07:15.
The flighttime is about 3h 40m. The distance travelled ("as the bird flies"): 2312 Km. So the average speed is roughly 631 Km.
There is an 1 hour time difference between Bangkok and Taipei
The best day to arrive at Bangkok is Sunday and it would be best to avoid Friday, as prices are on average 162.1% higher than on Sunday. (Average prices, based on 8206431 datapoints.)
We have a lot more statistics for flights CI 838 and between Bangkok and Taipei.
