IB 810 then FR 572 at Madrid
Prague → Madrid → Porto
Timetable, Madrid time
18:45IB 810 from Prague at the gatealso LA 1648, VY 5173, AA 8717
16:40FR 572 to Porto leaves the gate
21 h 55 apart on the timetable, overnight
FR 572 leaves 21 h 55 after IB 810 arrives on the timetable: more than half a day, so not a connection we count.