AA 3657 then KD 211 at O'Hare
Key West → Chicago → Anchorage
Timetable, Chicago time
16:00AA 3657 from Key West at the gate
12:00KD 211 to Anchorage leaves the gate
20 h apart on the timetable, overnight
KD 211 leaves 20 h after AA 3657 arrives on the timetable: more than half a day, so not a connection we count.