QS 1056 then FR 5054 at Madrid
Prague → Madrid → Luxembourg
Timetable, Madrid time
13:05QS 1056 from Prague at the gatealso UX 3852
06:50FR 5054 to Luxembourg leaves the gate
17 h 45 apart on the timetable, overnight
FR 5054 leaves 17 h 45 after QS 1056 arrives on the timetable: more than half a day, so not a connection we count.