AA 4481 then DL 8771 at Atlanta
New York LaGuardia → Atlanta → San Francisco
Timetable, Atlanta time
18:57AA 4481 from New York LaGuardia at the gate
13:46DL 8771 to San Francisco leaves the gate
18 h 49 apart on the timetable, overnight
DL 8771 leaves 18 h 49 after AA 4481 arrives on the timetable: more than half a day, so not a connection we count.