DL 775 then DL 1206 at Atlanta
Cleveland → Atlanta → Milwaukee
Timetable, Atlanta time
17:01DL 775 from Cleveland at the gate
16:35DL 1206 to Milwaukee leaves the gate
23 h 34 apart on the timetable, overnight
DL 1206 leaves 23 h 34 after DL 775 arrives on the timetable: more than half a day, so not a connection we count.