CA 3103 then AA 1366 at O'Hare
Anchorage → Chicago → Denver
Timetable, Chicago time
15:07CA 3103 from Anchorage at the gate
11:54AA 1366 to Denver leaves the gate
20 h 47 apart on the timetable, overnight
AA 1366 leaves 20 h 47 after CA 3103 arrives on the timetable: more than half a day, so not a connection we count.