FR 9481 then OS 55 at Vienna
Cologne → Vienna → Montréal
Timetable, Vienna time
13:25FR 9481 from Cologne at the gate
10:40OS 55 to Montréal leaves the gate
21 h 15 apart on the timetable, overnight
OS 55 leaves 21 h 15 after FR 9481 arrives on the timetable: more than half a day, so not a connection we count.