IB 544 then FR 5301 at Madrid
Porto → Madrid → Luxembourg
Timetable, Madrid time
10:40IB 544 from Porto at the gatealso LA 1793, CX 1864, VY 5305, AT 5485, QR 6928, BA 7113, AA 8573
07:15FR 5301 to Luxembourg leaves the gate
20 h 35 apart on the timetable, overnight
FR 5301 leaves 20 h 35 after IB 544 arrives on the timetable: more than half a day, so not a connection we count.