CI 5240 then UA 3477 at O'Hare
Anchorage → Chicago → Louisville
Timetable, Chicago time
15:04CI 5240 from Anchorage at the gate
06:59UA 3477 to Louisville leaves the gate
15 h 55 apart on the timetable, overnight
UA 3477 leaves 15 h 55 after CI 5240 arrives on the timetable: more than half a day, so not a connection we count.