DL 1805 then DL 9970 at Atlanta
La Mesa → Atlanta → Los Angeles
Timetable, Atlanta time
17:43DL 1805 from La Mesa at the gate
17:01DL 9970 to Los Angeles leaves the gate
23 h 18 apart on the timetable, overnight
DL 9970 leaves 23 h 18 after DL 1805 arrives on the timetable: more than half a day, so not a connection we count.