AV 2046 then DL 381 at San Francisco
Arcata → San Francisco → Austin
Timetable, San Francisco time
15:35AV 2046 from Arcata at the gate
09:59DL 381 to Austin leaves the gate
18 h 24 apart on the timetable, overnight
DL 381 leaves 18 h 24 after AV 2046 arrives on the timetable: more than half a day, so not a connection we count.