UA 543 then QF 4367 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
10:33QF 4367 to Los Angeles leaves the gate
21 h 03 apart on the timetable, overnight
QF 4367 leaves 21 h 03 after UA 543 arrives on the timetable: more than half a day, so not a connection we count.