UA 488 then WN 4357 at San Francisco
Burbank → San Francisco → Austin
Timetable, San Francisco time
09:09UA 488 from Burbank at the gatealso AC 4195
09:05WN 4357 to Austin leaves the gate
23 h 56 apart on the timetable, overnight
WN 4357 leaves 23 h 56 after UA 488 arrives on the timetable: more than half a day, so not a connection we count.