BR 716 then 3U 8886 at Beijing
Taipei → Beijing → Chengdu Shuangliu
Timetable, Beijing time
19:35BR 716 from Taipei at the gate
15:403U 8886 to Chengdu Shuangliu leaves the gate
20 h 05 apart on the timetable, overnight
3U 8886 leaves 20 h 05 after BR 716 arrives on the timetable: more than half a day, so not a connection we count.