DL 2232 then AA 4600 at Atlanta
Lexington → Atlanta → New York LaGuardia
Timetable, Atlanta time
12:20DL 2232 from Lexington at the gate
12:09AA 4600 to New York LaGuardia leaves the gate
23 h 49 apart on the timetable, overnight
AA 4600 leaves 23 h 49 after DL 2232 arrives on the timetable: more than half a day, so not a connection we count.