AA 1245 then DL 508 at Boston
Phoenix → Boston → Los Angeles
Timetable, Boston time
16:46AA 1245 from Phoenix at the gate
16:15DL 508 to Los Angeles leaves the gate
23 h 29 apart on the timetable, overnight
DL 508 leaves 23 h 29 after AA 1245 arrives on the timetable: more than half a day, so not a connection we count.