U2 2305 then ET 1423 at Madrid
London Luton → Madrid → Rome
Timetable, Madrid time
19:55U2 2305 from London Luton at the gate
15:00ET 1423 to Rome leaves the gatealso EY 4364, MU 4958, AM 6927, AZ 7117, AD 7896
19 h 05 apart on the timetable, overnight
ET 1423 leaves 19 h 05 after U2 2305 arrives on the timetable: more than half a day, so not a connection we count.