BA 474 then EC 7173 at Barcelona
London Heathrow → Barcelona → Berlin
Timetable, Barcelona time
10:40BA 474 from London Heathrow at the gate
07:20EC 7173 to Berlin leaves the gate
20 h 40 apart on the timetable, overnight
EC 7173 leaves 20 h 40 after BA 474 arrives on the timetable: more than half a day, so not a connection we count.