IB 2241 then IB 631 at Madrid
Strasbourg → Madrid → Zurich
Timetable, Madrid time
20:25IB 2241 from Strasbourg at the gatealso VY 5641, QR 6525
16:35IB 631 to Zurich leaves the gatealso LA 1751, VY 5144, OB 5504, AA 8781
20 h 10 apart on the timetable, overnight
IB 631 leaves 20 h 10 after IB 2241 arrives on the timetable: more than half a day, so not a connection we count.