CV 251 then AA 2762 at O'Hare
Anchorage → Chicago → Denver
Timetable, Chicago time
19:00CV 251 from Anchorage at the gate
09:45AA 2762 to Denver leaves the gate
14 h 45 apart on the timetable, overnight
AA 2762 leaves 14 h 45 after CV 251 arrives on the timetable: more than half a day, so not a connection we count.