F9 1596 then DL 1217 at Atlanta
Chicago O'Hare → Atlanta → Fort Myers
Timetable, Atlanta time
10:30F9 1596 from Chicago O'Hare at the gate
00:52DL 1217 to Fort Myers leaves the gate
14 h 22 apart on the timetable, overnight
DL 1217 leaves 14 h 22 after F9 1596 arrives on the timetable: more than half a day, so not a connection we count.