AA 3815 then AA 3696 at O'Hare
Hartford → Chicago → Columbia Regional
Timetable, Chicago time
20:15AA 3815 from Hartford at the gate
19:18AA 3696 to Columbia Regional leaves the gate
23 h 03 apart on the timetable, overnight
AA 3696 leaves 23 h 03 after AA 3815 arrives on the timetable: more than half a day, so not a connection we count.