DY 1718 then IB 689 at Madrid
Oslo → Madrid → Firenze
Timetable, Madrid time
19:15DY 1718 from Oslo at the gate
17:25IB 689 to Firenze leaves the gatealso LA 1661, VY 5196, AA 8859
22 h 10 apart on the timetable, overnight
IB 689 leaves 22 h 10 after DY 1718 arrives on the timetable: more than half a day, so not a connection we count.