UA 3852 then UA 694 at San Francisco
Seoul → San Francisco → Kailua-Kona
Timetable, San Francisco time
08:46UA 3852 from Seoul at the gate
10:04UA 694 to Kailua-Kona leaves the gatealso AZ 4487
1 h 18 apart on the timetable
The last days
UA 3852 and UA 694 weren’t both flown 15 min to 12 h apart in the last 21 days.
Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.