DL 4947 then DL 5245 at Atlanta
Allentown → Atlanta → Knoxville
Timetable, Atlanta time
08:59DL 4947 from Allentown at the gate
08:11DL 5245 to Knoxville leaves the gate
23 h 12 apart on the timetable, overnight
DL 5245 leaves 23 h 12 after DL 4947 arrives on the timetable: more than half a day, so not a connection we count.