CV 251 then AA 2345 at O'Hare
Anchorage → Chicago → Washington National
Timetable, Chicago time
19:00CV 251 from Anchorage at the gate
07:54AA 2345 to Washington National leaves the gate
12 h 54 apart on the timetable, overnight
AA 2345 leaves 12 h 54 after CV 251 arrives on the timetable: more than half a day, so not a connection we count.