AA 1064 then AA 2151 at O'Hare
Austin → Chicago → Nashville
Timetable, Chicago time
08:56AA 1064 from Austin at the gate
21:10AA 2151 to Nashville leaves the gate
12 h 14 apart on the timetable
AA 2151 leaves 12 h 14 after AA 1064 arrives on the timetable: more than half a day, so not a connection we count.