CZ 435 then AA 1253 at O'Hare
Anchorage → Chicago → San Francisco
Timetable, Chicago time
15:58CZ 435 from Anchorage at the gate
06:45AA 1253 to San Francisco leaves the gate
14 h 47 apart on the timetable, overnight
AA 1253 leaves 14 h 47 after CZ 435 arrives on the timetable: more than half a day, so not a connection we count.