LO 435 then FR 2507 at Barcelona
Warsaw Chopin → Barcelona → Cologne
Timetable, Barcelona time
10:35LO 435 from Warsaw Chopin at the gate
08:30FR 2507 to Cologne leaves the gate
21 h 55 apart on the timetable, overnight
FR 2507 leaves 21 h 55 after LO 435 arrives on the timetable: more than half a day, so not a connection we count.