CZ 2124 then 3U 1137 at Guangzhou
Tianjin → Guangzhou → Chengdu Shuangliu
Timetable, Guangzhou time
15:40CZ 2124 from Tianjin at the gate
18:303U 1137 to Chengdu Shuangliu leaves the gate
2 h 50 apart on the timetable
The last days
CZ 2124 and 3U 1137 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.