DL 996 then AA 2453 at LAX
Atlanta → Los Angeles → Boston
Timetable, Los Angeles time
08:59DL 996 from Atlanta at the gate
23:20AA 2453 to Boston leaves the gate
14 h 21 apart on the timetable
AA 2453 leaves 14 h 21 after DL 996 arrives on the timetable: more than half a day, so not a connection we count.