AC 4112 then UA 545 at San Francisco
Ontario → San Francisco → Austin
Timetable, San Francisco time
10:55AC 4112 from Ontario at the gate
08:40UA 545 to Austin leaves the gatealso AC 5289, VA 8467
21 h 45 apart on the timetable, overnight
UA 545 leaves 21 h 45 after AC 4112 arrives on the timetable: more than half a day, so not a connection we count.