FR 9481 then AC 887 at Vienna
Cologne → Vienna → Toronto
Timetable, Vienna time
22:10FR 9481 from Cologne at the gate
10:35AC 887 to Toronto leaves the gate
12 h 25 apart on the timetable, overnight
AC 887 leaves 12 h 25 after FR 9481 arrives on the timetable: more than half a day, so not a connection we count.