FR 2191 then FR 30 at Dublin
Zagreb → Dublin → London Stansted
Timetable, Dublin time
18:50FR 2191 from Zagreb at the gate
13:35FR 30 to London Stansted leaves the gate
18 h 45 apart on the timetable, overnight
FR 30 leaves 18 h 45 after FR 2191 arrives on the timetable: more than half a day, so not a connection we count.