UA 2364 then B6 1534 at San Francisco
Newark → San Francisco → Boston
Timetable, San Francisco time
22:52UA 2364 from Newark at the gatealso VA 8513
22:10B6 1534 to Boston leaves the gatealso EY 8032
23 h 18 apart on the timetable, overnight
B6 1534 leaves 23 h 18 after UA 2364 arrives on the timetable: more than half a day, so not a connection we count.