DL 9968 then ZH 9867 at Guangzhou
Tokyo Haneda → Guangzhou → Nanjing
Timetable, Guangzhou time
01:05DL 9968 from Tokyo Haneda at the gate
11:35ZH 9867 to Nanjing leaves the gate
10 h 30 apart on the timetable
The last days
DL 9968 and ZH 9867 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.