9C 8680 then 3U 6712 at Guangzhou
Shijiazhuang → Guangzhou → Chengdu Tianfu
Timetable, Guangzhou time
19:559C 8680 from Shijiazhuang at the gate
19:103U 6712 to Chengdu Tianfu leaves the gate
23 h 15 apart on the timetable, overnight
3U 6712 leaves 23 h 15 after 9C 8680 arrives on the timetable: more than half a day, so not a connection we count.