CI 5240 then AA 4102 at O'Hare
Anchorage → Chicago → Denver
Timetable, Chicago time
13:59CI 5240 from Anchorage at the gate
06:40AA 4102 to Denver leaves the gate
16 h 41 apart on the timetable, overnight
AA 4102 leaves 16 h 41 after CI 5240 arrives on the timetable: more than half a day, so not a connection we count.