DL 840 then BR 665 at Atlanta
Denver → Atlanta → Anchorage
Timetable, Atlanta time
21:55DL 840 from Denver at the gate
18:45BR 665 to Anchorage leaves the gate
20 h 50 apart on the timetable, overnight
BR 665 leaves 20 h 50 after DL 840 arrives on the timetable: more than half a day, so not a connection we count.