AA 986 then K4 810 at O'Hare
Baltimore → Chicago → Anchorage
Timetable, Chicago time
08:50AA 986 from Baltimore at the gate
04:00K4 810 to Anchorage leaves the gate
19 h 10 apart on the timetable, overnight
K4 810 leaves 19 h 10 after AA 986 arrives on the timetable: more than half a day, so not a connection we count.