エアプサン、松山〜釜山線を増便 10月27日から週6往復
Air Busan adds more flights between Matsuyama and Busan from October 27.
https://www.traicy.com/posts/20240906311545/
BX133 Mastuyama(18:35)〜Busan(19:55)/Tue・Wed・Thu・Fri・Sat・Sun
BX134 Busan(16:35)〜Matsuyama(17:40)/Tue・Wed・Thu・Fri・Sat・Sun
The problem about Matsuyama Airport is ground transportation between the airport and downtown of Matsuyama.
There should be trains between them to cope with the largest number of passengers in Shikoku.