UA 3905 then UA 1721 at San Francisco
Tokyo Haneda → San Francisco → Kailua-Kona
Timetable, San Francisco time
16:33UA 3905 from Tokyo Haneda at the gate
08:10UA 1721 to Kailua-Kona leaves the gatealso AC 3529, AZ 4489, LH 8594
15 h 37 apart on the timetable, overnight
UA 1721 leaves 15 h 37 after UA 3905 arrives on the timetable: more than half a day, so not a connection we count.