CI 5234 then AA 603 at O'Hare
Anchorage → Chicago → Washington National
Timetable, Chicago time
19:25CI 5234 from Anchorage at the gate
16:51AA 603 to Washington National leaves the gate
21 h 26 apart on the timetable, overnight
AA 603 leaves 21 h 26 after CI 5234 arrives on the timetable: more than half a day, so not a connection we count.