DL 125 then B6 733 at Boston
Lisbon → Boston → San Francisco
Timetable, Boston time
13:59DL 125 from Lisbon at the gate
13:30B6 733 to San Francisco leaves the gate
23 h 31 apart on the timetable, overnight
B6 733 leaves 23 h 31 after DL 125 arrives on the timetable: more than half a day, so not a connection we count.