AV 2267 then SQ 33 at San Francisco
Medford → San Francisco → Singapore
Timetable, San Francisco time
08:00AV 2267 from Medford at the gate
20:15SQ 33 to Singapore leaves the gate
12 h 15 apart on the timetable
SQ 33 leaves 12 h 15 after AV 2267 arrives on the timetable: more than half a day, so not a connection we count.