CZ 435 then AA 3486 at O'Hare
Anchorage → Chicago → Jacksonville
Timetable, Chicago time
15:58CZ 435 from Anchorage at the gate
08:13AA 3486 to Jacksonville leaves the gate
16 h 15 apart on the timetable, overnight
AA 3486 leaves 16 h 15 after CZ 435 arrives on the timetable: more than half a day, so not a connection we count.