CV 12 then UA 3536 at O'Hare
Anchorage → Chicago → Louisville
Timetable, Chicago time
19:11CV 12 from Anchorage at the gate
16:00UA 3536 to Louisville leaves the gate
20 h 49 apart on the timetable, overnight
UA 3536 leaves 20 h 49 after CV 12 arrives on the timetable: more than half a day, so not a connection we count.