B6 833 then QR 3410 at San Francisco
Boston → San Francisco → San Diego
Timetable, San Francisco time
13:16B6 833 from Boston at the gatealso FI 7969
11:53QR 3410 to San Diego leaves the gate
22 h 37 apart on the timetable, overnight
QR 3410 leaves 22 h 37 after B6 833 arrives on the timetable: more than half a day, so not a connection we count.