7L 1312 then AA 3580 at O'Hare
Anchorage → Chicago → Louisville
Timetable, Chicago time
10:157L 1312 from Anchorage at the gate
09:30AA 3580 to Louisville leaves the gate
23 h 15 apart on the timetable, overnight
AA 3580 leaves 23 h 15 after 7L 1312 arrives on the timetable: more than half a day, so not a connection we count.