FR 15 then GQ 840 at Athens
London Stansted → Athens → Vienna
Timetable, Athens time
13:55FR 15 from London Stansted at the gate
08:30GQ 840 to Vienna leaves the gate
18 h 35 apart on the timetable, overnight
GQ 840 leaves 18 h 35 after FR 15 arrives on the timetable: more than half a day, so not a connection we count.