AA 2120 then UA 545 at San Francisco
Dallas-Fort Worth → San Francisco → Austin
Timetable, San Francisco time
08:56AA 2120 from Dallas-Fort Worth at the gatealso IB 8018
08:40UA 545 to Austin leaves the gatealso AC 5289, VA 8467
23 h 44 apart on the timetable, overnight
UA 545 leaves 23 h 44 after AA 2120 arrives on the timetable: more than half a day, so not a connection we count.