AA 791 then AA 2281 at Miami
Chicago O'Hare → Miami → South Bend
Timetable, Miami time
18:48AA 791 from Chicago O'Hare at the gate
07:10AA 2281 to South Bend leaves the gate
12 h 22 apart on the timetable, overnight
AA 2281 leaves 12 h 22 after AA 791 arrives on the timetable: more than half a day, so not a connection we count.