CI 5240 then AA 2997 at O'Hare
Anchorage → Chicago → Washington National
Timetable, Chicago time
13:59CI 5240 from Anchorage at the gate
06:59AA 2997 to Washington National leaves the gate
17 h apart on the timetable, overnight
AA 2997 leaves 17 h after CI 5240 arrives on the timetable: more than half a day, so not a connection we count.