AA 4229 then CX 81 at O'Hare
Knoxville → Chicago → Anchorage
Timetable, Chicago time
18:15AA 4229 from Knoxville at the gate
15:30CX 81 to Anchorage leaves the gate
21 h 15 apart on the timetable, overnight
CX 81 leaves 21 h 15 after AA 4229 arrives on the timetable: more than half a day, so not a connection we count.