Flight Narita International Airport departs from Tokyo Narita International Airport at 13:35 and arrives at Kaohsiung International Airport at 16:40.
The flighttime is about 4h 05m. The distance travelled ("as the bird flies"): 2412 Km. So the average speed is roughly 591 Km.
There is an 1 hour time difference between Tokyo and Kaohsiung
The best day to arrive at Tokyo is Saturday and it would be best to avoid Friday, as prices are on average 7939.78% higher than on Saturday. (Average prices, based on 257011 datapoints.)
We have a lot more statistics for flights CI 103 and between Tokyo and Kaohsiung.