UA 1453 then CA 7407 at San Francisco
Burbank → San Francisco → Austin
Timetable, San Francisco time
15:35UA 1453 from Burbank at the gatealso LX 3345, AC 4395
12:06CA 7407 to Austin leaves the gate
20 h 31 apart on the timetable, overnight
CA 7407 leaves 20 h 31 after UA 1453 arrives on the timetable: more than half a day, so not a connection we count.