CV 12 then UA 3534 at O'Hare
Anchorage → Chicago → Louisville
Timetable, Chicago time
19:11CV 12 from Anchorage at the gate
14:30UA 3534 to Louisville leaves the gate
19 h 19 apart on the timetable, overnight
UA 3534 leaves 19 h 19 after CV 12 arrives on the timetable: more than half a day, so not a connection we count.