LX 2173 then FB 492 at Zurich
Alicante → Zurich → Sofia
Timetable, Zurich time
11:50LX 2173 from Alicante at the gate
10:00FB 492 to Sofia leaves the gate
22 h 10 apart on the timetable, overnight
FB 492 leaves 22 h 10 after LX 2173 arrives on the timetable: more than half a day, so not a connection we count.