AA 3815 then AA 3053 at O'Hare
Hartford → Chicago → Indianapolis
Timetable, Chicago time
20:15AA 3815 from Hartford at the gate
17:27AA 3053 to Indianapolis leaves the gate
21 h 12 apart on the timetable, overnight
AA 3053 leaves 21 h 12 after AA 3815 arrives on the timetable: more than half a day, so not a connection we count.