DL 665 then DL 819 at Atlanta
Ontario → Atlanta → San Diego
Timetable, Atlanta time
19:24DL 665 from Ontario at the gate
19:23DL 819 to San Diego leaves the gate
23 h 59 apart on the timetable, overnight
DL 819 leaves 23 h 59 after DL 665 arrives on the timetable: more than half a day, so not a connection we count.