CV 251 then AA 5316 at O'Hare
Anchorage → Chicago → Louisville
Timetable, Chicago time
19:00CV 251 from Anchorage at the gate
10:11AA 5316 to Louisville leaves the gate
15 h 11 apart on the timetable, overnight
AA 5316 leaves 15 h 11 after CV 251 arrives on the timetable: more than half a day, so not a connection we count.