W6 2095 then FR 8217 at Barcelona
Krakow → Barcelona → London Stansted
Timetable, Barcelona time
18:20W6 2095 from Krakow at the gate
10:30FR 8217 to London Stansted leaves the gate
16 h 10 apart on the timetable, overnight
FR 8217 leaves 16 h 10 after W6 2095 arrives on the timetable: more than half a day, so not a connection we count.