CZ 435 then AA 2345 at O'Hare
Anchorage → Chicago → Washington National
Timetable, Chicago time
15:58CZ 435 from Anchorage at the gate
07:54AA 2345 to Washington National leaves the gate
15 h 56 apart on the timetable, overnight
AA 2345 leaves 15 h 56 after CZ 435 arrives on the timetable: more than half a day, so not a connection we count.