F9 1596 then DL 1576 at Atlanta
Chicago O'Hare → Atlanta → Orlando
Timetable, Atlanta time
13:32F9 1596 from Chicago O'Hare at the gate
13:00DL 1576 to Orlando leaves the gate
23 h 28 apart on the timetable, overnight
DL 1576 leaves 23 h 28 after F9 1596 arrives on the timetable: more than half a day, so not a connection we count.