DL 932 then DL 1554 at Atlanta
San Diego → Atlanta → Washington
Timetable, Atlanta time
20:07DL 932 from San Diego at the gate
15:27DL 1554 to Washington leaves the gate
19 h 20 apart on the timetable, overnight
DL 1554 leaves 19 h 20 after DL 932 arrives on the timetable: more than half a day, so not a connection we count.