DL 5161 then DL 3684 at Atlanta
Montgomery → Atlanta → Fargo
Timetable, Atlanta time
20:35DL 5161 from Montgomery at the gate
19:05DL 3684 to Fargo leaves the gate
22 h 30 apart on the timetable, overnight
DL 3684 leaves 22 h 30 after DL 5161 arrives on the timetable: more than half a day, so not a connection we count.