DL 9941 then DL 843 at Atlanta
Queretaro → Atlanta → San Diego
Timetable, Atlanta time
19:43DL 9941 from Queretaro at the gate
14:51DL 843 to San Diego leaves the gate
19 h 08 apart on the timetable, overnight
DL 843 leaves 19 h 08 after DL 9941 arrives on the timetable: more than half a day, so not a connection we count.