DL 823 then UA 1723 at San Francisco
Atlanta → San Francisco → Kailua-Kona
Timetable, San Francisco time
17:16DL 823 from Atlanta at the gatealso AF 2495, AM 3256, LA 6318
16:55UA 1723 to Kailua-Kona leaves the gatealso AC 3528, AZ 4511, LH 8584
23 h 39 apart on the timetable, overnight
UA 1723 leaves 23 h 39 after DL 823 arrives on the timetable: more than half a day, so not a connection we count.