EC 1703 then IB 601 at Madrid
Nice → Madrid → Brussels
Timetable, Madrid time
20:40EC 1703 from Nice at the gate
16:35IB 601 to Brussels leaves the gatealso LA 1566, VY 5097, BT 5171, AA 8624
19 h 55 apart on the timetable, overnight
IB 601 leaves 19 h 55 after EC 1703 arrives on the timetable: more than half a day, so not a connection we count.