SQ 1543 then AC 5484 at San Francisco
New York JFK → San Francisco → Austin
Timetable, San Francisco time
19:31SQ 1543 from New York JFK at the gate
16:20AC 5484 to Austin leaves the gate
20 h 49 apart on the timetable, overnight
AC 5484 leaves 20 h 49 after SQ 1543 arrives on the timetable: more than half a day, so not a connection we count.