BR 715 then CI 394 at Taipei
Beijing → Taipei → Kumamoto
Timetable, Taipei time
17:20BR 715 from Beijing at the gate
05:50CI 394 to Kumamoto leaves the gate
12 h 30 apart on the timetable, overnight
CI 394 leaves 12 h 30 after BR 715 arrives on the timetable: more than half a day, so not a connection we count.