9C 8680 then CZ 3489 at Guangzhou
Shijiazhuang → Guangzhou → Kunming
Timetable, Guangzhou time
19:559C 8680 from Shijiazhuang at the gate
19:00CZ 3489 to Kunming leaves the gate
23 h 05 apart on the timetable, overnight
CZ 3489 leaves 23 h 05 after 9C 8680 arrives on the timetable: more than half a day, so not a connection we count.