FR 5150 then EI 3554 at Dublin
Glasgow → Dublin → Edinburgh
Timetable, Dublin time
15:45FR 5150 from Glasgow at the gate
15:30EI 3554 to Edinburgh leaves the gate
23 h 45 apart on the timetable, overnight
EI 3554 leaves 23 h 45 after FR 5150 arrives on the timetable: more than half a day, so not a connection we count.