FR 1815 then UX 1042 at Fiumicino
Porto → Rome → Madrid
Timetable, Rome time
20:15FR 1815 from Porto at the gate
15:55UX 1042 to Madrid leaves the gate
19 h 40 apart on the timetable, overnight
UX 1042 leaves 19 h 40 after FR 1815 arrives on the timetable: more than half a day, so not a connection we count.