CM 1446 then QR 3391 at San Francisco
Seattle → San Francisco → San Diego
Timetable, San Francisco time
17:50CM 1446 from Seattle at the gatealso UA 2478, LX 3302, NZ 9420
10:29QR 3391 to San Diego leaves the gatealso QF 3748
16 h 39 apart on the timetable, overnight
QR 3391 leaves 16 h 39 after CM 1446 arrives on the timetable: more than half a day, so not a connection we count.