DL 1978 then DL 5258 at Atlanta
Santa Clara → Atlanta → Knoxville
Timetable, Atlanta time
19:13DL 1978 from Santa Clara at the gate
17:45DL 5258 to Knoxville leaves the gate
22 h 32 apart on the timetable, overnight
DL 5258 leaves 22 h 32 after DL 1978 arrives on the timetable: more than half a day, so not a connection we count.