UA 1264 then DL 381 at San Francisco
Las Vegas → San Francisco → Austin
Timetable, San Francisco time
11:32UA 1264 from Las Vegas at the gatealso AC 3714, AZ 4443, NZ 9240, LH 9415
10:04DL 381 to Austin leaves the gate
22 h 32 apart on the timetable, overnight
DL 381 leaves 22 h 32 after UA 1264 arrives on the timetable: more than half a day, so not a connection we count.