F9 1596 then DL 3014 at Atlanta
Chicago O'Hare → Atlanta → Savannah
Timetable, Atlanta time
13:32F9 1596 from Chicago O'Hare at the gate
12:34DL 3014 to Savannah leaves the gate
23 h 02 apart on the timetable, overnight
DL 3014 leaves 23 h 02 after F9 1596 arrives on the timetable: more than half a day, so not a connection we count.