DL 1756 then DL 819 at Atlanta
San José (Costa Rica) → Atlanta → San Diego
Timetable, Atlanta time
19:48DL 1756 from San José (Costa Rica) at the gate
19:23DL 819 to San Diego leaves the gate
23 h 35 apart on the timetable, overnight
DL 819 leaves 23 h 35 after DL 1756 arrives on the timetable: more than half a day, so not a connection we count.