FR 275 then FR 4501 at Dublin
Glasgow → Dublin → Cologne
Timetable, Dublin time
22:50FR 275 from Glasgow at the gate
20:35FR 4501 to Cologne leaves the gate
21 h 45 apart on the timetable, overnight
FR 4501 leaves 21 h 45 after FR 275 arrives on the timetable: more than half a day, so not a connection we count.