UA 693 then B6 1534 at San Francisco
Kailua-Kona → San Francisco → Boston
Timetable, San Francisco time
22:16UA 693 from Kailua-Kona at the gate
22:10B6 1534 to Boston leaves the gatealso EY 8032
23 h 54 apart on the timetable, overnight
B6 1534 leaves 23 h 54 after UA 693 arrives on the timetable: more than half a day, so not a connection we count.