IB 646 then IB 1401 at Madrid
Milan Linate → Madrid → Valencia
Timetable, Madrid time
12:55IB 646 from Milan Linate at the gatealso VY 5124
11:30IB 1401 to Valencia leaves the gate
22 h 35 apart on the timetable, overnight
IB 1401 leaves 22 h 35 after IB 646 arrives on the timetable: more than half a day, so not a connection we count.