FR 8911 then FR 126 at Dublin
Zagreb → Dublin → London Gatwick
Timetable, Dublin time
00:10FR 8911 from Zagreb at the gate
19:30FR 126 to London Gatwick leaves the gate
19 h 20 apart on the timetable
FR 126 leaves 19 h 20 after FR 8911 arrives on the timetable: more than half a day, so not a connection we count.