AA 9781 then WN 3334 at Philadelphia
New York LaGuardia → Philadelphia → Nashville
Timetable, Philadelphia time
06:00AA 9781 from New York LaGuardia at the gate
20:15WN 3334 to Nashville leaves the gate
14 h 15 apart on the timetable
WN 3334 leaves 14 h 15 after AA 9781 arrives on the timetable: more than half a day, so not a connection we count.