FR 10 then IB 689 at Madrid
Dublin → Madrid → Firenze
Timetable, Madrid time
22:35FR 10 from Dublin at the gate
17:25IB 689 to Firenze leaves the gatealso LA 1661, VY 5196, AA 8859
18 h 50 apart on the timetable, overnight
IB 689 leaves 18 h 50 after FR 10 arrives on the timetable: more than half a day, so not a connection we count.