AA 1668 then CX 2081 at O'Hare
Dallas-Fort Worth → Chicago → Anchorage
Timetable, Chicago time
23:15AA 1668 from Dallas-Fort Worth at the gate
12:55CX 2081 to Anchorage leaves the gate
13 h 40 apart on the timetable, overnight
CX 2081 leaves 13 h 40 after AA 1668 arrives on the timetable: more than half a day, so not a connection we count.