KJ 242 then AA 903 at O'Hare
Anchorage → Chicago → Washington National
Timetable, Chicago time
23:55KJ 242 from Anchorage at the gate
20:57AA 903 to Washington National leaves the gate
21 h 02 apart on the timetable, overnight
AA 903 leaves 21 h 02 after KJ 242 arrives on the timetable: more than half a day, so not a connection we count.