AA 3815 then AA 532 at O'Hare
Hartford → Chicago → Philadelphia
Timetable, Chicago time
20:15AA 3815 from Hartford at the gate
19:20AA 532 to Philadelphia leaves the gate
23 h 05 apart on the timetable, overnight
AA 532 leaves 23 h 05 after AA 3815 arrives on the timetable: more than half a day, so not a connection we count.