DL 5379 then DL 434 at Atlanta
Montgomery → Atlanta → New York LaGuardia
Timetable, Atlanta time
18:21DL 5379 from Montgomery at the gate
18:00DL 434 to New York LaGuardia leaves the gate
23 h 39 apart on the timetable, overnight
DL 434 leaves 23 h 39 after DL 5379 arrives on the timetable: more than half a day, so not a connection we count.