WK 293 then LX 52 at Zurich
Edinburgh → Zurich → Boston
Timetable, Zurich time
19:05WK 293 from Edinburgh at the gate
17:30LX 52 to Boston leaves the gate
22 h 25 apart on the timetable, overnight
LX 52 leaves 22 h 25 after WK 293 arrives on the timetable: more than half a day, so not a connection we count.