EW 752 then OS 465 at Vienna
Cologne → Vienna → Tenerife South
Timetable, Vienna time
08:25EW 752 from Cologne at the gate
07:55OS 465 to Tenerife South leaves the gate
23 h 30 apart on the timetable, overnight
OS 465 leaves 23 h 30 after EW 752 arrives on the timetable: more than half a day, so not a connection we count.