AS 389 then DL 1655 at Boston
San Diego → Boston → San Francisco
Timetable, Boston time
17:07AS 389 from San Diego at the gate
16:50DL 1655 to San Francisco leaves the gate
23 h 43 apart on the timetable, overnight
DL 1655 leaves 23 h 43 after AS 389 arrives on the timetable: more than half a day, so not a connection we count.