AA 1878 then DL 5630 at Charlotte
San Francisco → Charlotte → Boston
Timetable, Charlotte time
16:04AA 1878 from San Francisco at the gate
14:37DL 5630 to Boston leaves the gate
22 h 33 apart on the timetable, overnight
DL 5630 leaves 22 h 33 after AA 1878 arrives on the timetable: more than half a day, so not a connection we count.