SK 3630 then UA 901 at San Francisco
Los Angeles → San Francisco → London
Timetable, San Francisco time
13:52SK 3630 from Los Angeles at the gate
12:50UA 901 to London leaves the gatealso LX 3069, AC 5448, OS 7856, SN 9105, LH 9375, NZ 9830
22 h 58 apart on the timetable, overnight
UA 901 leaves 22 h 58 after SK 3630 arrives on the timetable: more than half a day, so not a connection we count.