FR 9481 then OS 35 at Vienna
Cologne → Vienna → New York JFK
Timetable, Vienna time
13:25FR 9481 from Cologne at the gate
10:50OS 35 to New York JFK leaves the gate
21 h 25 apart on the timetable, overnight
OS 35 leaves 21 h 25 after FR 9481 arrives on the timetable: more than half a day, so not a connection we count.