HU 7234 then CZ 6740 at Guangzhou
Ningbo → Guangzhou → Sanya
Timetable, Guangzhou time
22:15HU 7234 from Ningbo at the gate
16:35CZ 6740 to Sanya leaves the gate
18 h 20 apart on the timetable, overnight
CZ 6740 leaves 18 h 20 after HU 7234 arrives on the timetable: more than half a day, so not a connection we count.