FR 275 then LH 981 at Dublin
Glasgow → Dublin → Frankfurt am Main
Timetable, Dublin time
19:40FR 275 from Glasgow at the gate
17:15LH 981 to Frankfurt am Main leaves the gate
21 h 35 apart on the timetable, overnight
LH 981 leaves 21 h 35 after FR 275 arrives on the timetable: more than half a day, so not a connection we count.