B6 633 then AS 2486 at San Francisco
Boston → San Francisco → Los Angeles
Timetable, San Francisco time
09:59B6 633 from Boston at the gate
06:00AS 2486 to Los Angeles leaves the gate
20 h 01 apart on the timetable, overnight
AS 2486 leaves 20 h 01 after B6 633 arrives on the timetable: more than half a day, so not a connection we count.