WK 227 then WK 438 at Zurich
Bilbao → Zurich → Split
Timetable, Zurich time
11:50WK 227 from Bilbao at the gate
07:00WK 438 to Split leaves the gate
19 h 10 apart on the timetable, overnight
WK 438 leaves 19 h 10 after WK 227 arrives on the timetable: more than half a day, so not a connection we count.