GateConnections

K4 535 then AA 4492 at O'Hare

Anchorage → Chicago → Louisville

Timetable, Chicago time

07:36K4 535 from Anchorage at the gate

06:59AA 4492 to Louisville leaves the gatealso UA 5951

23 h 23 apart on the timetable, overnight

AA 4492 leaves 23 h 23 after K4 535 arrives on the timetable: more than half a day, so not a connection we count.