AS 1386 then UA 580 at San Francisco
Seattle → San Francisco → Los Angeles
Timetable, San Francisco time
21:47AS 1386 from Seattle at the gatealso QR 3412, AA 7538
21:25UA 580 to Los Angeles leaves the gatealso CM 1067, NH 7509, VA 8560, NZ 9258
23 h 38 apart on the timetable, overnight
UA 580 leaves 23 h 38 after AS 1386 arrives on the timetable: more than half a day, so not a connection we count.