UA 3904 then UA 2340 at San Francisco
Honolulu → San Francisco → Seattle
Timetable, San Francisco time
13:43UA 3904 from Honolulu at the gate
10:06UA 2340 to Seattle leaves the gatealso OZ 6306, VA 8281, NZ 9405
20 h 23 apart on the timetable, overnight
UA 2340 leaves 20 h 23 after UA 3904 arrives on the timetable: more than half a day, so not a connection we count.