7L 1312 then AA 4468 at O'Hare
Anchorage → Chicago → Washington National
Timetable, Chicago time
10:157L 1312 from Anchorage at the gate
06:02AA 4468 to Washington National leaves the gate
19 h 47 apart on the timetable, overnight
AA 4468 leaves 19 h 47 after 7L 1312 arrives on the timetable: more than half a day, so not a connection we count.