AA 2966 then AA 2429 at Charlotte
Portland (Maine) → Charlotte → Buffalo
Timetable, Charlotte time
08:25AA 2966 from Portland (Maine) at the gate
20:50AA 2429 to Buffalo leaves the gate
12 h 25 apart on the timetable
AA 2429 leaves 12 h 25 after AA 2966 arrives on the timetable: more than half a day, so not a connection we count.