CV 21 then AA 1387 at O'Hare
Anchorage → Chicago → Denver
Timetable, Chicago time
01:25CV 21 from Anchorage at the gate
21:05AA 1387 to Denver leaves the gate
19 h 40 apart on the timetable
AA 1387 leaves 19 h 40 after CV 21 arrives on the timetable: more than half a day, so not a connection we count.