FR 5270 then FR 6818 at Manchester
Barcelona → Manchester → Milan
Timetable, Manchester time
12:35FR 5270 from Barcelona at the gate
05:55FR 6818 to Milan leaves the gate
17 h 20 apart on the timetable, overnight
FR 6818 leaves 17 h 20 after FR 5270 arrives on the timetable: more than half a day, so not a connection we count.