DL 2925 then DL 434 at Atlanta
Mobile → Atlanta → New York LaGuardia
Timetable, Atlanta time
20:35DL 2925 from Mobile at the gate
18:00DL 434 to New York LaGuardia leaves the gate
21 h 25 apart on the timetable, overnight
DL 434 leaves 21 h 25 after DL 2925 arrives on the timetable: more than half a day, so not a connection we count.