UA 441 then AA 622 at DFW
Chicago O'Hare → Dallas-Fort Worth → Milwaukee
Timetable, Dallas-Fort Worth time
14:38UA 441 from Chicago O'Hare at the gate
07:00AA 622 to Milwaukee leaves the gate
16 h 22 apart on the timetable, overnight
AA 622 leaves 16 h 22 after UA 441 arrives on the timetable: more than half a day, so not a connection we count.