BA 381 then BA 1486 at Heathrow
Tirana → London → Glasgow
Timetable, London time
16:35BA 381 from Tirana at the gate
16:20BA 1486 to Glasgow leaves the gate
23 h 45 apart on the timetable, overnight
BA 1486 leaves 23 h 45 after BA 381 arrives on the timetable: more than half a day, so not a connection we count.