CZ 6775 then AQ 1189 at Guangzhou
Haikou → Guangzhou → Changchun
Timetable, Guangzhou time
09:25CZ 6775 from Haikou at the gate
06:40AQ 1189 to Changchun leaves the gate
21 h 15 apart on the timetable, overnight
AQ 1189 leaves 21 h 15 after CZ 6775 arrives on the timetable: more than half a day, so not a connection we count.