AS 2427 then TP 4392 at San Francisco
Los Angeles → San Francisco → Boston
Timetable, San Francisco time
08:01AS 2427 from Los Angeles at the gatealso IB 7283
22:10TP 4392 to Boston leaves the gate
14 h 09 apart on the timetable
TP 4392 leaves 14 h 09 after AS 2427 arrives on the timetable: more than half a day, so not a connection we count.