UA 543 then AF 8811 at San Francisco
Chicago O'Hare → San Francisco → Los Angeles
Timetable, San Francisco time
13:30UA 543 from Chicago O'Hare at the gatealso AC 4163, VA 8089, NZ 9321
11:44AF 8811 to Los Angeles leaves the gate
22 h 14 apart on the timetable, overnight
AF 8811 leaves 22 h 14 after UA 543 arrives on the timetable: more than half a day, so not a connection we count.