UX 7154 then FR 3614 at Madrid
Bilbao → Madrid → Prague
Timetable, Madrid time
17:55UX 7154 from Bilbao at the gate
06:10FR 3614 to Prague leaves the gate
12 h 15 apart on the timetable, overnight
FR 3614 leaves 12 h 15 after UX 7154 arrives on the timetable: more than half a day, so not a connection we count.