DL 801 then DL 1728 at Atlanta
Baltimore → Atlanta → Chicago Midway
Timetable, Atlanta time
14:25DL 801 from Baltimore at the gate
14:20DL 1728 to Chicago Midway leaves the gate
23 h 55 apart on the timetable, overnight
DL 1728 leaves 23 h 55 after DL 801 arrives on the timetable: more than half a day, so not a connection we count.