AA 506 then UA 5615 at O'Hare
Charlotte → Chicago → Albany (New York)
Timetable, Chicago time
14:23AA 506 from Charlotte at the gate
11:59UA 5615 to Albany (New York) leaves the gate
21 h 36 apart on the timetable, overnight
UA 5615 leaves 21 h 36 after AA 506 arrives on the timetable: more than half a day, so not a connection we count.