F9 3511 then DL 996 at Atlanta
Boston → Atlanta → Los Angeles
Timetable, Atlanta time
16:00F9 3511 from Boston at the gate
07:00DL 996 to Los Angeles leaves the gate
15 h apart on the timetable, overnight
DL 996 leaves 15 h after F9 3511 arrives on the timetable: more than half a day, so not a connection we count.