UA 2820 then UA 545 at San Francisco
Pittsburgh → San Francisco → Austin
Timetable, San Francisco time
09:41UA 2820 from Pittsburgh at the gatealso CA 7303, NZ 9395
08:40UA 545 to Austin leaves the gatealso AC 5289, VA 8467
22 h 59 apart on the timetable, overnight
UA 545 leaves 22 h 59 after UA 2820 arrives on the timetable: more than half a day, so not a connection we count.