AZ 615 then SK 1842 at Fiumicino
Boston → Rome → Stockholm
Timetable, Rome time
07:15AZ 615 from Boston at the gate
20:50SK 1842 to Stockholm leaves the gate
13 h 35 apart on the timetable
SK 1842 leaves 13 h 35 after AZ 615 arrives on the timetable: more than half a day, so not a connection we count.