CA 1011 then UA 1217 at O'Hare
Anchorage → Chicago → Denver
Timetable, Chicago time
17:12CA 1011 from Anchorage at the gate
07:00UA 1217 to Denver leaves the gate
13 h 48 apart on the timetable, overnight
UA 1217 leaves 13 h 48 after CA 1011 arrives on the timetable: more than half a day, so not a connection we count.