AA 1253 then JL 7555 at San Francisco
Chicago O'Hare → San Francisco → Los Angeles
Timetable, San Francisco time
09:40AA 1253 from Chicago O'Hare at the gatealso QF 4697
09:13JL 7555 to Los Angeles leaves the gate
23 h 33 apart on the timetable, overnight
JL 7555 leaves 23 h 33 after AA 1253 arrives on the timetable: more than half a day, so not a connection we count.