FR 5316 then AZ 2427 at Madrid
Rome → Madrid → Porto
Timetable, Madrid time
23:40FR 5316 from Rome at the gate
19:05AZ 2427 to Porto leaves the gatealso AM 6918, SV 6974, EY 7513, AD 7866
19 h 25 apart on the timetable, overnight
AZ 2427 leaves 19 h 25 after FR 5316 arrives on the timetable: more than half a day, so not a connection we count.