BA 4200 then 3O 394 at Madrid
Boston → Madrid → Casablanca
Timetable, Madrid time
08:30BA 4200 from Boston at the gatealso AY 5370, EI 5852, AA 8849
23:103O 394 to Casablanca leaves the gate
14 h 40 apart on the timetable
3O 394 leaves 14 h 40 after BA 4200 arrives on the timetable: more than half a day, so not a connection we count.