DL 225 then B6 733 at Boston
Paris Charles de Gaulle → Boston → San Francisco
Timetable, Boston time
14:29DL 225 from Paris Charles de Gaulle at the gate
13:30B6 733 to San Francisco leaves the gate
23 h 01 apart on the timetable, overnight
B6 733 leaves 23 h 01 after DL 225 arrives on the timetable: more than half a day, so not a connection we count.