BR 716 then CA 1521 at Beijing
Taipei → Beijing → Shanghai Hongqiao
Timetable, Beijing time
19:35BR 716 from Taipei at the gate
14:30CA 1521 to Shanghai Hongqiao leaves the gate
18 h 55 apart on the timetable, overnight
CA 1521 leaves 18 h 55 after BR 716 arrives on the timetable: more than half a day, so not a connection we count.