UA 2386 then UA 545 at San Francisco
Burbank → San Francisco → Austin
Timetable, San Francisco time
12:51UA 2386 from Burbank at the gatealso AC 4514, EK 6026
08:40UA 545 to Austin leaves the gatealso AC 5289, VA 8467
19 h 49 apart on the timetable, overnight
UA 545 leaves 19 h 49 after UA 2386 arrives on the timetable: more than half a day, so not a connection we count.