CZ 1636 then AA 901 at San Francisco
Chicago O'Hare → San Francisco → Phoenix
Timetable, San Francisco time
19:59CZ 1636 from Chicago O'Hare at the gatealso QF 3241, AA 3246, FJ 5118
19:05AA 901 to Phoenix leaves the gate
23 h 06 apart on the timetable, overnight
AA 901 leaves 23 h 06 after CZ 1636 arrives on the timetable: more than half a day, so not a connection we count.