CI 5234 then UA 5618 at O'Hare
Anchorage → Chicago → Washington National
Timetable, Chicago time
19:25CI 5234 from Anchorage at the gate
14:00UA 5618 to Washington National leaves the gate
18 h 35 apart on the timetable, overnight
UA 5618 leaves 18 h 35 after CI 5234 arrives on the timetable: more than half a day, so not a connection we count.