UA 499 then UA 1757 at San Francisco
Seattle → San Francisco → Reno
Timetable, San Francisco time
09:19UA 499 from Seattle at the gatealso AZ 4458, OZ 6301, CA 7305
22:35UA 1757 to Reno leaves the gatealso AC 4370, LH 7798
13 h 16 apart on the timetable
UA 1757 leaves 13 h 16 after UA 499 arrives on the timetable: more than half a day, so not a connection we count.