FR 5564 then FR 5346 at Dublin
Glasgow → Dublin → Katowice
Timetable, Dublin time
08:35FR 5564 from Glasgow at the gate
05:55FR 5346 to Katowice leaves the gate
21 h 20 apart on the timetable, overnight
FR 5346 leaves 21 h 20 after FR 5564 arrives on the timetable: more than half a day, so not a connection we count.