AA 621 then AA 622 at DFW
Omaha → Dallas-Fort Worth → Milwaukee
Timetable, Dallas-Fort Worth time
14:15AA 621 from Omaha at the gate
07:00AA 622 to Milwaukee leaves the gate
16 h 45 apart on the timetable, overnight
AA 622 leaves 16 h 45 after AA 621 arrives on the timetable: more than half a day, so not a connection we count.