UA 751 then AV 2356 at San Francisco
Portland (Oregon) → San Francisco → Kailua-Kona
Timetable, San Francisco time
15:15UA 751 from Portland (Oregon) at the gatealso CM 1419
08:10AV 2356 to Kailua-Kona leaves the gate
16 h 55 apart on the timetable, overnight
AV 2356 leaves 16 h 55 after UA 751 arrives on the timetable: more than half a day, so not a connection we count.