BR 716 then CA 1515 at Beijing
Taipei → Beijing → Shanghai Hongqiao
Timetable, Beijing time
18:40BR 716 from Taipei at the gate
15:45CA 1515 to Shanghai Hongqiao leaves the gate
21 h 05 apart on the timetable, overnight
CA 1515 leaves 21 h 05 after BR 716 arrives on the timetable: more than half a day, so not a connection we count.