EW 7404 then B6 34 at Charles de Gaulle
Hamburg → Paris → Boston
Timetable, Paris time
19:50EW 7404 from Hamburg at the gate
13:35B6 34 to Boston leaves the gate
17 h 45 apart on the timetable, overnight
B6 34 leaves 17 h 45 after EW 7404 arrives on the timetable: more than half a day, so not a connection we count.