AA 764 then K4 996 at O'Hare
Houston → Chicago → Anchorage
Timetable, Chicago time
11:58AA 764 from Houston at the gate
03:45K4 996 to Anchorage leaves the gate
15 h 47 apart on the timetable, overnight
K4 996 leaves 15 h 47 after AA 764 arrives on the timetable: more than half a day, so not a connection we count.