F9 1596 then DL 4955 at Atlanta
Chicago O'Hare → Atlanta → Montgomery
Timetable, Atlanta time
13:32F9 1596 from Chicago O'Hare at the gate
11:45DL 4955 to Montgomery leaves the gate
22 h 13 apart on the timetable, overnight
DL 4955 leaves 22 h 13 after F9 1596 arrives on the timetable: more than half a day, so not a connection we count.