DL 8913 then DL 434 at Atlanta
Nashville → Atlanta → New York LaGuardia
Timetable, Atlanta time
00:06DL 8913 from Nashville at the gate
18:00DL 434 to New York LaGuardia leaves the gate
17 h 54 apart on the timetable
DL 434 leaves 17 h 54 after DL 8913 arrives on the timetable: more than half a day, so not a connection we count.