AS 688 then UA 2127 at San Francisco
Seattle → San Francisco → Los Angeles
Timetable, San Francisco time
16:01AS 688 from Seattle at the gatealso QR 2147, QR 2153, QR 3438, QR 4280
05:50UA 2127 to Los Angeles leaves the gatealso AV 2163, NZ 9260
13 h 49 apart on the timetable, overnight
UA 2127 leaves 13 h 49 after AS 688 arrives on the timetable: more than half a day, so not a connection we count.