UA 528 then AC 4122 at San Francisco
Boise → San Francisco → Ontario
Timetable, San Francisco time
20:04UA 528 from Boise at the gatealso AC 4964, NZ 9394
18:50AC 4122 to Ontario leaves the gate
22 h 46 apart on the timetable, overnight
AC 4122 leaves 22 h 46 after UA 528 arrives on the timetable: more than half a day, so not a connection we count.