I2 1698 then IB 345 at Madrid
Ibiza → Madrid → Boston
Timetable, Madrid time
15:50I2 1698 from Ibiza at the gatealso IB 1698
15:40IB 345 to Boston leaves the gatealso BA 4215, AY 5369, EI 5851, AA 8801
23 h 50 apart on the timetable, overnight
IB 345 leaves 23 h 50 after I2 1698 arrives on the timetable: more than half a day, so not a connection we count.