AA 597 then CX 2081 at O'Hare
San Francisco → Chicago → Anchorage
Timetable, Chicago time
23:55AA 597 from San Francisco at the gate
12:55CX 2081 to Anchorage leaves the gate
13 h apart on the timetable, overnight
CX 2081 leaves 13 h after AA 597 arrives on the timetable: more than half a day, so not a connection we count.