9C 7512 then ZH 3258 at Guangzhou
Ningbo → Guangzhou → Chengdu Shuangliu
Timetable, Guangzhou time
10:309C 7512 from Ningbo at the gate
12:15ZH 3258 to Chengdu Shuangliu leaves the gatealso GJ 5002, CA 5582, SC 6048, KY 6602, EU 8002
1 h 45 apart on the timetable
The last days
9C 7512 and ZH 3258 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.