CA 1372 then BR 715 at Beijing
Sanya → Beijing → Taipei
Timetable, Beijing time
19:25CA 1372 from Sanya at the gate
13:55BR 715 to Taipei leaves the gate
18 h 30 apart on the timetable, overnight
BR 715 leaves 18 h 30 after CA 1372 arrives on the timetable: more than half a day, so not a connection we count.