B6 1897 then BR 665 at Atlanta
Boston → Atlanta → Anchorage
Timetable, Atlanta time
23:58B6 1897 from Boston at the gate
18:45BR 665 to Anchorage leaves the gate
18 h 47 apart on the timetable, overnight
BR 665 leaves 18 h 47 after B6 1897 arrives on the timetable: more than half a day, so not a connection we count.