DL 1867 then DL 3171 at Atlanta
St. George → Atlanta → Huntsville
Timetable, Atlanta time
19:50DL 1867 from St. George at the gate
17:45DL 3171 to Huntsville leaves the gate
21 h 55 apart on the timetable, overnight
DL 3171 leaves 21 h 55 after DL 1867 arrives on the timetable: more than half a day, so not a connection we count.