CZ 2124 then AQ 1071 at Guangzhou
Tianjin → Guangzhou → Hangzhou
Timetable, Guangzhou time
15:40CZ 2124 from Tianjin at the gate
09:55AQ 1071 to Hangzhou leaves the gate
18 h 15 apart on the timetable, overnight
AQ 1071 leaves 18 h 15 after CZ 2124 arrives on the timetable: more than half a day, so not a connection we count.