AA 1396 then AA 622 at DFW
Nashville → Dallas-Fort Worth → Milwaukee
Timetable, Dallas-Fort Worth time
15:04AA 1396 from Nashville at the gate
07:00AA 622 to Milwaukee leaves the gate
15 h 56 apart on the timetable, overnight
AA 622 leaves 15 h 56 after AA 1396 arrives on the timetable: more than half a day, so not a connection we count.