AA 4405 then DL 508 at Boston
Indianapolis → Boston → Los Angeles
Timetable, Boston time
17:15AA 4405 from Indianapolis at the gate
16:15DL 508 to Los Angeles leaves the gate
23 h apart on the timetable, overnight
DL 508 leaves 23 h after AA 4405 arrives on the timetable: more than half a day, so not a connection we count.