AA 1256 then AA 5197 at Charlotte
Buffalo → Charlotte → Valparaiso
Timetable, Charlotte time
21:39AA 1256 from Buffalo at the gate
21:23AA 5197 to Valparaiso leaves the gate
23 h 44 apart on the timetable, overnight
AA 5197 leaves 23 h 44 after AA 1256 arrives on the timetable: more than half a day, so not a connection we count.