CZ 2124 then CZ 6792 at Guangzhou
Tianjin → Guangzhou → Haikou
Timetable, Guangzhou time
15:40CZ 2124 from Tianjin at the gate
18:30CZ 6792 to Haikou leaves the gate
2 h 50 apart on the timetable
The last days
CZ 2124 and CZ 6792 weren’t both flown 15 min to 12 h apart in the last 21 days.
Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.