AA 3289 then AA 1254 at DFW
New York LaGuardia → Dallas-Fort Worth → Nashville
Timetable, Dallas-Fort Worth time
11:29AA 3289 from New York LaGuardia at the gate
07:30AA 1254 to Nashville leaves the gate
20 h 01 apart on the timetable, overnight
AA 1254 leaves 20 h 01 after AA 3289 arrives on the timetable: more than half a day, so not a connection we count.