CV 251 then AA 6283 at O'Hare
Anchorage → Chicago → Des Moines
Timetable, Chicago time
19:00CV 251 from Anchorage at the gate
11:54AA 6283 to Des Moines leaves the gate
16 h 54 apart on the timetable, overnight
AA 6283 leaves 16 h 54 after CV 251 arrives on the timetable: more than half a day, so not a connection we count.