QF 3773 then UA 930 at San Francisco
Los Angeles → San Francisco → London
Timetable, San Francisco time
19:10QF 3773 from Los Angeles at the gate
16:40UA 930 to London leaves the gatealso LX 3049, AC 5376, OS 7858, SN 9100, LH 9379
21 h 30 apart on the timetable, overnight
UA 930 leaves 21 h 30 after QF 3773 arrives on the timetable: more than half a day, so not a connection we count.