OS 209 then LH 1278 at Frankfurt
Vienna → Frankfurt am Main → Athens
Timetable, Frankfurt am Main time
12:50OS 209 from Vienna at the gate
08:50LH 1278 to Athens leaves the gate
20 h apart on the timetable, overnight
LH 1278 leaves 20 h after OS 209 arrives on the timetable: more than half a day, so not a connection we count.