UA 1936 then AS 3492 at San Francisco
Eugene → San Francisco → Santa Ana
Timetable, San Francisco time
21:05UA 1936 from Eugene at the gatealso NZ 9172
14:41AS 3492 to Santa Ana leaves the gatealso QR 8820, AA 9325
17 h 36 apart on the timetable, overnight
AS 3492 leaves 17 h 36 after UA 1936 arrives on the timetable: more than half a day, so not a connection we count.