FR 4500 then FR 5151 at Dublin
Cologne → Dublin → Glasgow
Timetable, Dublin time
11:00FR 4500 from Cologne at the gate
06:20FR 5151 to Glasgow leaves the gate
19 h 20 apart on the timetable, overnight
FR 5151 leaves 19 h 20 after FR 4500 arrives on the timetable: more than half a day, so not a connection we count.