UA 795 then AC 7797 at Vancouver
Chicago → Vancouver → Cranbrook
Timetable, Vancouver time
12:45UA 795 from Chicago at the gate
09:00AC 7797 to Cranbrook leaves the gate
20 h 15 apart on the timetable, overnight
AC 7797 leaves 20 h 15 after UA 795 arrives on the timetable: more than half a day, so not a connection we count.