AA 9928 then AA 2151 at O'Hare
New York LaGuardia → Chicago → Nashville
Timetable, Chicago time
06:45AA 9928 from New York LaGuardia at the gate
20:50AA 2151 to Nashville leaves the gate
14 h 05 apart on the timetable
AA 2151 leaves 14 h 05 after AA 9928 arrives on the timetable: more than half a day, so not a connection we count.