B6 115 then WN 4357 at San Francisco
New York JFK → San Francisco → Austin
Timetable, San Francisco time
09:30B6 115 from New York JFK at the gatealso LO 5771, KQ 7280
09:05WN 4357 to Austin leaves the gate
23 h 35 apart on the timetable, overnight
WN 4357 leaves 23 h 35 after B6 115 arrives on the timetable: more than half a day, so not a connection we count.