AS 2230 then B6 1534 at San Francisco
Seattle → San Francisco → Boston
Timetable, San Francisco time
23:03AS 2230 from Seattle at the gatealso BA 2950
22:10B6 1534 to Boston leaves the gatealso EY 8032
23 h 07 apart on the timetable, overnight
B6 1534 leaves 23 h 07 after AS 2230 arrives on the timetable: more than half a day, so not a connection we count.