FR 5889 then FR 52 at Athens
Bratislava → Athens → London Stansted
Timetable, Athens time
19:35FR 5889 from Bratislava at the gate
15:20FR 52 to London Stansted leaves the gate
19 h 45 apart on the timetable, overnight
FR 52 leaves 19 h 45 after FR 5889 arrives on the timetable: more than half a day, so not a connection we count.