AC 4121 then UA 537 at San Francisco
Ontario → San Francisco → Kahului
Timetable, San Francisco time
17:50AC 4121 from Ontario at the gate
16:45UA 537 to Kahului leaves the gatealso AC 3532
22 h 55 apart on the timetable, overnight
UA 537 leaves 22 h 55 after AC 4121 arrives on the timetable: more than half a day, so not a connection we count.