AV 2104 then OZ 6403 at San Francisco
San Luis Obispo → San Francisco → Austin
Timetable, San Francisco time
19:56AV 2104 from San Luis Obispo at the gate
16:20OZ 6403 to Austin leaves the gate
20 h 24 apart on the timetable, overnight
OZ 6403 leaves 20 h 24 after AV 2104 arrives on the timetable: more than half a day, so not a connection we count.