9C 7200 then 3U 1219 at Guangzhou
Jakarta → Guangzhou → Shanghai Hongqiao
Timetable, Guangzhou time
04:559C 7200 from Jakarta at the gate
17:003U 1219 to Shanghai Hongqiao leaves the gatealso HO 7351
12 h 05 apart on the timetable
3U 1219 leaves 12 h 05 after 9C 7200 arrives on the timetable: more than half a day, so not a connection we count.