FR 2508 then IB 5096 at Barcelona
Cologne → Barcelona → Porto
Timetable, Barcelona time
21:45FR 2508 from Cologne at the gate
20:25IB 5096 to Porto leaves the gate
22 h 40 apart on the timetable, overnight
IB 5096 leaves 22 h 40 after FR 2508 arrives on the timetable: more than half a day, so not a connection we count.