KL 934 then BA 447 at Schiphol
Glasgow → Amsterdam → London Heathrow
Timetable, Amsterdam time
08:35KL 934 from Glasgow at the gate
21:30BA 447 to London Heathrow leaves the gate
12 h 55 apart on the timetable
BA 447 leaves 12 h 55 after KL 934 arrives on the timetable: more than half a day, so not a connection we count.