BA 826 then FR 5565 at Dublin
London Heathrow → Dublin → Glasgow
Timetable, Dublin time
14:15BA 826 from London Heathrow at the gate
11:30FR 5565 to Glasgow leaves the gate
21 h 15 apart on the timetable, overnight
FR 5565 leaves 21 h 15 after BA 826 arrives on the timetable: more than half a day, so not a connection we count.