FR 2191 then FR 290 at Dublin
Zagreb → Dublin → London Stansted
Timetable, Dublin time
18:50FR 2191 from Zagreb at the gate
13:55FR 290 to London Stansted leaves the gate
19 h 05 apart on the timetable, overnight
FR 290 leaves 19 h 05 after FR 2191 arrives on the timetable: more than half a day, so not a connection we count.