CV 21 then UA 2160 at O'Hare
Anchorage → Chicago → Washington National
Timetable, Chicago time
22:27CV 21 from Anchorage at the gate
19:45UA 2160 to Washington National leaves the gate
21 h 18 apart on the timetable, overnight
UA 2160 leaves 21 h 18 after CV 21 arrives on the timetable: more than half a day, so not a connection we count.