PD 6428 then VA 8546 at San Francisco
Chicago O'Hare → San Francisco → Los Angeles
Timetable, San Francisco time
16:19PD 6428 from Chicago O'Hare at the gate
05:50VA 8546 to Los Angeles leaves the gate
13 h 31 apart on the timetable, overnight
VA 8546 leaves 13 h 31 after PD 6428 arrives on the timetable: more than half a day, so not a connection we count.