AV 2191 then TP 4392 at San Francisco
Sydney → San Francisco → Boston
Timetable, San Francisco time
06:25AV 2191 from Sydney at the gate
06:00TP 4392 to Boston leaves the gate
23 h 35 apart on the timetable, overnight
TP 4392 leaves 23 h 35 after AV 2191 arrives on the timetable: more than half a day, so not a connection we count.