AC 1048 then BR 643 at O'Hare
Vancouver → Chicago → Anchorage
Timetable, Chicago time
14:37AC 1048 from Vancouver at the gate
11:55BR 643 to Anchorage leaves the gate
21 h 18 apart on the timetable, overnight
BR 643 leaves 21 h 18 after AC 1048 arrives on the timetable: more than half a day, so not a connection we count.