IB 2241 then UX 1671 at Madrid
Strasbourg → Madrid → Zurich
Timetable, Madrid time
20:25IB 2241 from Strasbourg at the gatealso VY 5641, QR 6525
15:10UX 1671 to Zurich leaves the gatealso EY 4331, MU 4966, AM 6866
18 h 45 apart on the timetable, overnight
UX 1671 leaves 18 h 45 after IB 2241 arrives on the timetable: more than half a day, so not a connection we count.