WN 4550 then UA 545 at San Francisco
Dallas → San Francisco → Austin
Timetable, San Francisco time
10:15WN 4550 from Dallas at the gate
08:40UA 545 to Austin leaves the gatealso AC 5289, VA 8467
22 h 25 apart on the timetable, overnight
UA 545 leaves 22 h 25 after WN 4550 arrives on the timetable: more than half a day, so not a connection we count.