UA 1591 then AS 586 at San Francisco
San Antonio → San Francisco → San Diego
Timetable, San Francisco time
11:02UA 1591 from San Antonio at the gatealso NZ 2372, UA 2490, AC 4201, EK 6003
10:29AS 586 to San Diego leaves the gatealso QR 3312, AA 7548
23 h 27 apart on the timetable, overnight
AS 586 leaves 23 h 27 after UA 1591 arrives on the timetable: more than half a day, so not a connection we count.