F9 1229 then UA 545 at San Francisco
Denver → San Francisco → Austin
Timetable, San Francisco time
11:17F9 1229 from Denver at the gate
08:40UA 545 to Austin leaves the gatealso AC 5289, VA 8467
21 h 23 apart on the timetable, overnight
UA 545 leaves 21 h 23 after F9 1229 arrives on the timetable: more than half a day, so not a connection we count.