DL 904 then DL 5258 at Atlanta
Sacramento → Atlanta → Knoxville
Timetable, Atlanta time
19:49DL 904 from Sacramento at the gate
17:45DL 5258 to Knoxville leaves the gate
21 h 56 apart on the timetable, overnight
DL 5258 leaves 21 h 56 after DL 904 arrives on the timetable: more than half a day, so not a connection we count.