IB 138 then IB 1401 at Madrid
Quito → Madrid → Valencia
Timetable, Madrid time
11:40IB 138 from Quito at the gate
11:30IB 1401 to Valencia leaves the gate
23 h 50 apart on the timetable, overnight
IB 1401 leaves 23 h 50 after IB 138 arrives on the timetable: more than half a day, so not a connection we count.