FR 3008 then W9 5372 at Madrid
Milan → Madrid → London Luton
Timetable, Madrid time
19:50FR 3008 from Milan at the gate
12:40W9 5372 to London Luton leaves the gate
16 h 50 apart on the timetable, overnight
W9 5372 leaves 16 h 50 after FR 3008 arrives on the timetable: more than half a day, so not a connection we count.