SQ 1539 then CM 1069 at San Francisco
Boston → San Francisco → Los Angeles
Timetable, San Francisco time
00:25SQ 1539 from Boston at the gate
13:50CM 1069 to Los Angeles leaves the gate
13 h 25 apart on the timetable
CM 1069 leaves 13 h 25 after SQ 1539 arrives on the timetable: more than half a day, so not a connection we count.