DL 2990 then DL 996 at Atlanta
Jacksonville → Atlanta → Los Angeles
Timetable, Atlanta time
17:25DL 2990 from Jacksonville at the gate
07:00DL 996 to Los Angeles leaves the gate
13 h 35 apart on the timetable, overnight
DL 996 leaves 13 h 35 after DL 2990 arrives on the timetable: more than half a day, so not a connection we count.