B6 277 then B6 1534 at San Francisco
Fort Lauderdale → San Francisco → Boston
Timetable, San Francisco time
22:30B6 277 from Fort Lauderdale at the gatealso AD 7726
22:10B6 1534 to Boston leaves the gate
23 h 40 apart on the timetable, overnight
B6 1534 leaves 23 h 40 after B6 277 arrives on the timetable: more than half a day, so not a connection we count.