CZ 340 then ZH 8947 at Guangzhou
Seoul → Guangzhou → Linyi
Timetable, Guangzhou time
12:10CZ 340 from Seoul at the gate
06:20ZH 8947 to Linyi leaves the gate
18 h 10 apart on the timetable, overnight
ZH 8947 leaves 18 h 10 after CZ 340 arrives on the timetable: more than half a day, so not a connection we count.