AA 835 then CX 81 at O'Hare
Miami → Chicago → Anchorage
Timetable, Chicago time
15:31AA 835 from Miami at the gate
15:30CX 81 to Anchorage leaves the gate
23 h 59 apart on the timetable, overnight
CX 81 leaves 23 h 59 after AA 835 arrives on the timetable: more than half a day, so not a connection we count.