B6 1534 then DL 5626 at Boston
San Francisco → Boston → Charlotte
Timetable, Boston time
06:44B6 1534 from San Francisco at the gate
06:20DL 5626 to Charlotte leaves the gate
23 h 36 apart on the timetable, overnight
DL 5626 leaves 23 h 36 after B6 1534 arrives on the timetable: more than half a day, so not a connection we count.