F9 4702 then B6 1396 at Atlanta
Austin → Atlanta → Boston
Timetable, Atlanta time
18:05F9 4702 from Austin at the gate
16:30B6 1396 to Boston leaves the gate
22 h 25 apart on the timetable, overnight
B6 1396 leaves 22 h 25 after F9 4702 arrives on the timetable: more than half a day, so not a connection we count.