FR 1973 then FR 5910 at Dublin
Riga → Dublin → Lanzarote
Timetable, Dublin time
00:45FR 1973 from Riga at the gate
15:55FR 5910 to Lanzarote leaves the gate
15 h 10 apart on the timetable
FR 5910 leaves 15 h 10 after FR 1973 arrives on the timetable: more than half a day, so not a connection we count.