DL 996 then AA 3071 at LAX
Atlanta → Los Angeles → Washington
Timetable, Los Angeles time
08:59DL 996 from Atlanta at the gate
21:45AA 3071 to Washington leaves the gate
12 h 46 apart on the timetable
AA 3071 leaves 12 h 46 after DL 996 arrives on the timetable: more than half a day, so not a connection we count.