BA 1345 then BA 584 at Heathrow
Saint Peter Port → London → Milan Linate
Timetable, London time
14:55BA 1345 from Saint Peter Port at the gate
13:15BA 584 to Milan Linate leaves the gate
22 h 20 apart on the timetable, overnight
BA 584 leaves 22 h 20 after BA 1345 arrives on the timetable: more than half a day, so not a connection we count.