AA 2500 then AA 2656 at O'Hare
Nashville → Chicago → Indianapolis
Timetable, Chicago time
17:25AA 2500 from Nashville at the gate
17:10AA 2656 to Indianapolis leaves the gate
23 h 45 apart on the timetable, overnight
AA 2656 leaves 23 h 45 after AA 2500 arrives on the timetable: more than half a day, so not a connection we count.