LX 1679 then FB 492 at Zurich
Firenze → Zurich → Sofia
Timetable, Zurich time
11:10LX 1679 from Firenze at the gate
10:00FB 492 to Sofia leaves the gate
22 h 50 apart on the timetable, overnight
FB 492 leaves 22 h 50 after LX 1679 arrives on the timetable: more than half a day, so not a connection we count.