AC 8547 then GB 397 at O'Hare
Toronto (YTZ) → Chicago → Cincinnati Northern Kentucky
Timetable, Chicago time
13:20AC 8547 from Toronto (YTZ) at the gate
07:00GB 397 to Cincinnati Northern Kentucky leaves the gate
17 h 40 apart on the timetable, overnight
GB 397 leaves 17 h 40 after AC 8547 arrives on the timetable: more than half a day, so not a connection we count.