AA 2504 then KD 211 at O'Hare
Houston → Chicago → Anchorage
Timetable, Chicago time
14:15AA 2504 from Houston at the gate
12:00KD 211 to Anchorage leaves the gate
21 h 45 apart on the timetable, overnight
KD 211 leaves 21 h 45 after AA 2504 arrives on the timetable: more than half a day, so not a connection we count.