AA 1378 then AA 622 at DFW
Miami → Dallas-Fort Worth → Milwaukee
Timetable, Dallas-Fort Worth time
12:28AA 1378 from Miami at the gate
09:30AA 622 to Milwaukee leaves the gate
21 h 02 apart on the timetable, overnight
AA 622 leaves 21 h 02 after AA 1378 arrives on the timetable: more than half a day, so not a connection we count.