CZ 435 then AA 5580 at O'Hare
Anchorage → Chicago → Knoxville
Timetable, Chicago time
15:58CZ 435 from Anchorage at the gate
08:12AA 5580 to Knoxville leaves the gate
16 h 14 apart on the timetable, overnight
AA 5580 leaves 16 h 14 after CZ 435 arrives on the timetable: more than half a day, so not a connection we count.