AA 2202 then CA 1012 at O'Hare
Buffalo → Chicago → Shanghai
Timetable, Chicago time
19:59AA 2202 from Buffalo at the gate
21:20CA 1012 to Shanghai leaves the gate
1 h 21 apart on the timetable
Today
From the airport’s board at 23:17 Chicago time
20:09AA 2202 reached the gate10 min late
22:07CA 1012 left the gate47 min late
1 h 58 between the gates
The last days
AA 2202 and CA 1012 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.