F9 1596 then DL 3024 at Atlanta
Chicago O'Hare → Atlanta → Jacksonville
Timetable, Atlanta time
13:32F9 1596 from Chicago O'Hare at the gate
12:15DL 3024 to Jacksonville leaves the gate
22 h 43 apart on the timetable, overnight
DL 3024 leaves 22 h 43 after F9 1596 arrives on the timetable: more than half a day, so not a connection we count.