AA 2999 then K4 810 at O'Hare
Dallas-Fort Worth → Chicago → Anchorage
Timetable, Chicago time
10:05AA 2999 from Dallas-Fort Worth at the gate
04:00K4 810 to Anchorage leaves the gate
17 h 55 apart on the timetable, overnight
K4 810 leaves 17 h 55 after AA 2999 arrives on the timetable: more than half a day, so not a connection we count.