F9 2272 then DL 1538 at Miami
Atlanta → Miami → New York LaGuardia
Timetable, Miami time
17:04F9 2272 from Atlanta at the gate
15:40DL 1538 to New York LaGuardia leaves the gate
22 h 36 apart on the timetable, overnight
DL 1538 leaves 22 h 36 after F9 2272 arrives on the timetable: more than half a day, so not a connection we count.