DL 4654 then DL 5535 at Atlanta
Knoxville → Atlanta → Lafayette
Timetable, Atlanta time
09:44DL 4654 from Knoxville at the gate
21:49DL 5535 to Lafayette leaves the gate
12 h 05 apart on the timetable
DL 5535 leaves 12 h 05 after DL 4654 arrives on the timetable: more than half a day, so not a connection we count.