UA 900 then LY 4571 at San Francisco
London → San Francisco → Los Angeles
Timetable, San Francisco time
13:20UA 900 from London at the gatealso LX 3042, AC 5375, OS 7857, SN 9099, LH 9374, NZ 9831
12:05LY 4571 to Los Angeles leaves the gate
22 h 45 apart on the timetable, overnight
LY 4571 leaves 22 h 45 after UA 900 arrives on the timetable: more than half a day, so not a connection we count.