AA 2086 then WN 3150 at Philadelphia
Boston → Philadelphia → Nashville
Timetable, Philadelphia time
14:33AA 2086 from Boston at the gate
14:30WN 3150 to Nashville leaves the gate
23 h 57 apart on the timetable, overnight
WN 3150 leaves 23 h 57 after AA 2086 arrives on the timetable: more than half a day, so not a connection we count.