WN 4355 then BA 2947 at San Francisco
Austin → San Francisco → Seattle
Timetable, San Francisco time
17:55WN 4355 from Austin at the gate
17:42BA 2947 to Seattle leaves the gate
23 h 47 apart on the timetable, overnight
BA 2947 leaves 23 h 47 after WN 4355 arrives on the timetable: more than half a day, so not a connection we count.