BA 1477 then BA 572 at Heathrow
Glasgow → London → Milan Linate
Timetable, London time
12:05BA 1477 from Glasgow at the gate
11:55BA 572 to Milan Linate leaves the gate
23 h 50 apart on the timetable, overnight
BA 572 leaves 23 h 50 after BA 1477 arrives on the timetable: more than half a day, so not a connection we count.