UA 1852 then B6 1534 at San Francisco
Orlando → San Francisco → Boston
Timetable, San Francisco time
23:08UA 1852 from Orlando at the gate
22:10B6 1534 to Boston leaves the gatealso EY 8032
23 h 02 apart on the timetable, overnight
B6 1534 leaves 23 h 02 after UA 1852 arrives on the timetable: more than half a day, so not a connection we count.