UA 488 then UA 545 at San Francisco
Burbank → San Francisco → Austin
Timetable, San Francisco time
09:09UA 488 from Burbank at the gatealso AC 4195
08:40UA 545 to Austin leaves the gatealso AC 5289, VA 8467
23 h 31 apart on the timetable, overnight
UA 545 leaves 23 h 31 after UA 488 arrives on the timetable: more than half a day, so not a connection we count.