AA 4481 then DL 1309 at Atlanta
New York LaGuardia → Atlanta → Washington
Timetable, Atlanta time
18:57AA 4481 from New York LaGuardia at the gate
18:30DL 1309 to Washington leaves the gate
23 h 33 apart on the timetable, overnight
DL 1309 leaves 23 h 33 after AA 4481 arrives on the timetable: more than half a day, so not a connection we count.