CV 251 then AA 3051 at O'Hare
Anchorage → Chicago → Washington National
Timetable, Chicago time
19:00CV 251 from Anchorage at the gate
10:55AA 3051 to Washington National leaves the gate
15 h 55 apart on the timetable, overnight
AA 3051 leaves 15 h 55 after CV 251 arrives on the timetable: more than half a day, so not a connection we count.