UA 2278 then CM 2535 at San Francisco
San Diego → San Francisco → Reno
Timetable, San Francisco time
21:25UA 2278 from San Diego at the gatealso CM 2519, AC 4236, OZ 6308, VA 8439
20:45CM 2535 to Reno leaves the gatealso UA 5903
23 h 20 apart on the timetable, overnight
CM 2535 leaves 23 h 20 after UA 2278 arrives on the timetable: more than half a day, so not a connection we count.