AA 2253 then AV 2034 at San Francisco
Chicago O'Hare → San Francisco → Fresno
Timetable, San Francisco time
16:22AA 2253 from Chicago O'Hare at the gatealso QF 4756
08:24AV 2034 to Fresno leaves the gate
16 h 02 apart on the timetable, overnight
AV 2034 leaves 16 h 02 after AA 2253 arrives on the timetable: more than half a day, so not a connection we count.