UA 1561 then QF 4367 at San Francisco
Denver → San Francisco → Los Angeles
Timetable, San Francisco time
13:12UA 1561 from Denver at the gatealso AC 3614, VA 8349, NZ 9074
10:33QF 4367 to Los Angeles leaves the gate
21 h 21 apart on the timetable, overnight
QF 4367 leaves 21 h 21 after UA 1561 arrives on the timetable: more than half a day, so not a connection we count.