FR 3977 then VY 1198 at Barcelona
Dublin → Barcelona → Prague
Timetable, Barcelona time
21:10FR 3977 from Dublin at the gate
17:55VY 1198 to Prague leaves the gatealso IB 5286, LL 5286
20 h 45 apart on the timetable, overnight
VY 1198 leaves 20 h 45 after FR 3977 arrives on the timetable: more than half a day, so not a connection we count.