LJ 171 then BR 716 at Taipei
Seoul → Taipei → Beijing
Timetable, Taipei time
11:30LJ 171 from Seoul at the gate
09:05BR 716 to Beijing leaves the gate
21 h 35 apart on the timetable, overnight
BR 716 leaves 21 h 35 after LJ 171 arrives on the timetable: more than half a day, so not a connection we count.