DL 401 then DL 5245 at Atlanta
Dallas-Fort Worth → Atlanta → Knoxville
Timetable, Atlanta time
08:35DL 401 from Dallas-Fort Worth at the gate
08:11DL 5245 to Knoxville leaves the gate
23 h 36 apart on the timetable, overnight
DL 5245 leaves 23 h 36 after DL 401 arrives on the timetable: more than half a day, so not a connection we count.