UA 838 then UA 545 at San Francisco
Tokyo Narita → San Francisco → Austin
Timetable, San Francisco time
09:30UA 838 from Tokyo Narita at the gatealso NH 7012
08:40UA 545 to Austin leaves the gatealso AC 5289, VA 8467
23 h 10 apart on the timetable, overnight
UA 545 leaves 23 h 10 after UA 838 arrives on the timetable: more than half a day, so not a connection we count.