UA 790 then AC 4122 at San Francisco
Dallas-Fort Worth → San Francisco → Ontario
Timetable, San Francisco time
09:01UA 790 from Dallas-Fort Worth at the gatealso AC 3659, NH 7373, VA 8275, NZ 9090
21:20AC 4122 to Ontario leaves the gate
12 h 19 apart on the timetable
AC 4122 leaves 12 h 19 after UA 790 arrives on the timetable: more than half a day, so not a connection we count.