CZ 435 then AA 802 at O'Hare
Anchorage → Chicago → Boston
Timetable, Chicago time
15:58CZ 435 from Anchorage at the gate
08:30AA 802 to Boston leaves the gate
16 h 32 apart on the timetable, overnight
AA 802 leaves 16 h 32 after CZ 435 arrives on the timetable: more than half a day, so not a connection we count.