CV 251 then AA 6284 at O'Hare
Anchorage → Chicago → Des Moines
Timetable, Chicago time
19:00CV 251 from Anchorage at the gate
07:14AA 6284 to Des Moines leaves the gate
12 h 14 apart on the timetable, overnight
AA 6284 leaves 12 h 14 after CV 251 arrives on the timetable: more than half a day, so not a connection we count.