FR 1815 then IB 652 at Fiumicino
Porto → Rome → Madrid
Timetable, Rome time
20:15FR 1815 from Porto at the gate
16:20IB 652 to Madrid leaves the gate
20 h 05 apart on the timetable, overnight
IB 652 leaves 20 h 05 after FR 1815 arrives on the timetable: more than half a day, so not a connection we count.