IB 2471 then MU 1737 at Barcelona
Leon → Barcelona → Paris Charles de Gaulle
Timetable, Barcelona time
21:35IB 2471 from Leon at the gatealso LL 3101, VY 5871, QR 6959
15:55MU 1737 to Paris Charles de Gaulle leaves the gatealso AM 5785, KE 6342
18 h 20 apart on the timetable, overnight
MU 1737 leaves 18 h 20 after IB 2471 arrives on the timetable: more than half a day, so not a connection we count.