ZH 8904 then CA 1330 at Guangzhou
Zhengzhou → Guangzhou → Beijing Capital
Timetable, Guangzhou time
12:20ZH 8904 from Zhengzhou at the gate
10:30CA 1330 to Beijing Capital leaves the gate
22 h 10 apart on the timetable, overnight
CA 1330 leaves 22 h 10 after ZH 8904 arrives on the timetable: more than half a day, so not a connection we count.