DL 3164 then DL 1507 at Atlanta
Birmingham (Alabama) → Atlanta → Tri-Cities
Timetable, Atlanta time
12:27DL 3164 from Birmingham (Alabama) at the gate
11:59DL 1507 to Tri-Cities leaves the gate
23 h 32 apart on the timetable, overnight
DL 1507 leaves 23 h 32 after DL 3164 arrives on the timetable: more than half a day, so not a connection we count.