FR 5994 then LA 1571 at Madrid
London Stansted → Madrid → Rome
Timetable, Madrid time
21:40FR 5994 from London Stansted at the gate
15:45LA 1571 to Rome leaves the gatealso VY 5104, OB 5204, QR 6877, AA 8638
18 h 05 apart on the timetable, overnight
LA 1571 leaves 18 h 05 after FR 5994 arrives on the timetable: more than half a day, so not a connection we count.