DL 839 then AA 622 at DFW
Atlanta → Dallas-Fort Worth → Milwaukee
Timetable, Dallas-Fort Worth time
08:53DL 839 from Atlanta at the gate
07:00AA 622 to Milwaukee leaves the gate
22 h 07 apart on the timetable, overnight
AA 622 leaves 22 h 07 after DL 839 arrives on the timetable: more than half a day, so not a connection we count.