CA 2833 then CA 8571 at Pudong
Tianjin → Shanghai → Harbin
Timetable, Shanghai time
10:30CA 2833 from Tianjin at the gate
13:45CA 8571 to Harbin leaves the gate
3 h 15 apart on the timetable
The last days
CA 2833 and CA 8571 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.