BA 4200 then IB 1043 at Madrid
Boston → Madrid → Mahón
Timetable, Madrid time
08:30BA 4200 from Boston at the gatealso AY 5370, EI 5852, AA 8849
07:10IB 1043 to Mahón leaves the gate
22 h 40 apart on the timetable, overnight
IB 1043 leaves 22 h 40 after BA 4200 arrives on the timetable: more than half a day, so not a connection we count.