FR 3040 then A3 1708 at Barcelona
Prague → Barcelona → Lisbon
Timetable, Barcelona time
21:15FR 3040 from Prague at the gate
21:10A3 1708 to Lisbon leaves the gatealso OU 5726
23 h 55 apart on the timetable, overnight
A3 1708 leaves 23 h 55 after FR 3040 arrives on the timetable: more than half a day, so not a connection we count.