B6 833 then QR 3422 at San Francisco
Boston → San Francisco → San Diego
Timetable, San Francisco time
13:16B6 833 from Boston at the gatealso FI 7969
07:04QR 3422 to San Diego leaves the gate
17 h 48 apart on the timetable, overnight
QR 3422 leaves 17 h 48 after B6 833 arrives on the timetable: more than half a day, so not a connection we count.