UA 3926 then CM 1069 at San Francisco
Seattle → San Francisco → Los Angeles
Timetable, San Francisco time
12:49UA 3926 from Seattle at the gate
06:00CM 1069 to Los Angeles leaves the gate
17 h 11 apart on the timetable, overnight
CM 1069 leaves 17 h 11 after UA 3926 arrives on the timetable: more than half a day, so not a connection we count.