AA 5497 then AA 622 at DFW
Des Moines → Dallas-Fort Worth → Milwaukee
Timetable, Dallas-Fort Worth time
11:52AA 5497 from Des Moines at the gate
07:00AA 622 to Milwaukee leaves the gate
19 h 08 apart on the timetable, overnight
AA 622 leaves 19 h 08 after AA 5497 arrives on the timetable: more than half a day, so not a connection we count.