IB 2319 then UX 1665 at Madrid
Castellón → Madrid → Geneva
Timetable, Madrid time
19:20IB 2319 from Castellón at the gate
15:35UX 1665 to Geneva leaves the gate
20 h 15 apart on the timetable, overnight
UX 1665 leaves 20 h 15 after IB 2319 arrives on the timetable: more than half a day, so not a connection we count.