FR 3040 then IB 5834 at Barcelona
Prague → Barcelona → London Gatwick
Timetable, Barcelona time
21:15FR 3040 from Prague at the gate
19:50IB 5834 to London Gatwick leaves the gatealso LL 5834, VY 7626, BA 8080
22 h 35 apart on the timetable, overnight
IB 5834 leaves 22 h 35 after FR 3040 arrives on the timetable: more than half a day, so not a connection we count.