BA 1497 then SK 1508 at Heathrow
Glasgow → London → Copenhagen
Timetable, London time
07:15BA 1497 from Glasgow at the gate
19:30SK 1508 to Copenhagen leaves the gate
12 h 15 apart on the timetable
SK 1508 leaves 12 h 15 after BA 1497 arrives on the timetable: more than half a day, so not a connection we count.