WN 3466 then OZ 9521 at San Francisco
San Diego → San Francisco → Houston
Timetable, San Francisco time
16:50WN 3466 from San Diego at the gate
16:40OZ 9521 to Houston leaves the gate
23 h 50 apart on the timetable, overnight
OZ 9521 leaves 23 h 50 after WN 3466 arrives on the timetable: more than half a day, so not a connection we count.