DL 905 then B6 1396 at Atlanta
Salt Lake City → Atlanta → Boston
Timetable, Atlanta time
23:35DL 905 from Salt Lake City at the gate
16:22B6 1396 to Boston leaves the gate
16 h 47 apart on the timetable, overnight
B6 1396 leaves 16 h 47 after DL 905 arrives on the timetable: more than half a day, so not a connection we count.