FR 1815 then U2 2983 at Fiumicino
Porto → Rome → Berlin
Timetable, Rome time
14:00FR 1815 from Porto at the gate
12:10U2 2983 to Berlin leaves the gate
22 h 10 apart on the timetable, overnight
U2 2983 leaves 22 h 10 after FR 1815 arrives on the timetable: more than half a day, so not a connection we count.