UA 2386 then AC 3774 at San Francisco
Burbank → San Francisco → Austin
Timetable, San Francisco time
12:51UA 2386 from Burbank at the gatealso AC 4514, EK 6026
12:06AC 3774 to Austin leaves the gatealso NZ 9137
23 h 15 apart on the timetable, overnight
AC 3774 leaves 23 h 15 after UA 2386 arrives on the timetable: more than half a day, so not a connection we count.