FR 1207 then IB 345 at Madrid
Venezia → Madrid → Boston
Timetable, Madrid time
21:50FR 1207 from Venezia at the gate
16:00IB 345 to Boston leaves the gatealso BA 4215, AY 5369, EI 5851, AA 8801
18 h 10 apart on the timetable, overnight
IB 345 leaves 18 h 10 after FR 1207 arrives on the timetable: more than half a day, so not a connection we count.