SK 3630 then LY 4668 at San Francisco
Los Angeles → San Francisco → Boston
Timetable, San Francisco time
21:55SK 3630 from Los Angeles at the gate
12:55LY 4668 to Boston leaves the gate
15 h apart on the timetable, overnight
LY 4668 leaves 15 h after SK 3630 arrives on the timetable: more than half a day, so not a connection we count.