AA 3224 then DL 508 at Boston
New York LaGuardia → Boston → Los Angeles
Timetable, Boston time
17:05AA 3224 from New York LaGuardia at the gate
16:20DL 508 to Los Angeles leaves the gate
23 h 15 apart on the timetable, overnight
DL 508 leaves 23 h 15 after AA 3224 arrives on the timetable: more than half a day, so not a connection we count.