DL 2391 then DL 996 at Atlanta
Boston → Atlanta → Los Angeles
Timetable, Atlanta time
16:35DL 2391 from Boston at the gate
07:00DL 996 to Los Angeles leaves the gate
14 h 25 apart on the timetable, overnight
DL 996 leaves 14 h 25 after DL 2391 arrives on the timetable: more than half a day, so not a connection we count.