DL 5234 then B6 1520 at Atlanta
Knoxville → Atlanta → New York JFK
Timetable, Atlanta time
10:19DL 5234 from Knoxville at the gate
10:09B6 1520 to New York JFK leaves the gate
23 h 50 apart on the timetable, overnight
B6 1520 leaves 23 h 50 after DL 5234 arrives on the timetable: more than half a day, so not a connection we count.