CZ 435 then AA 6345 at O'Hare
Anchorage → Chicago → Lexington
Timetable, Chicago time
15:58CZ 435 from Anchorage at the gate
08:06AA 6345 to Lexington leaves the gate
16 h 08 apart on the timetable, overnight
AA 6345 leaves 16 h 08 after CZ 435 arrives on the timetable: more than half a day, so not a connection we count.