DL 5175 then DL 545 at Atlanta
Chattanooga → Atlanta → San Francisco
Timetable, Atlanta time
20:35DL 5175 from Chattanooga at the gate
20:19DL 545 to San Francisco leaves the gate
23 h 44 apart on the timetable, overnight
DL 545 leaves 23 h 44 after DL 5175 arrives on the timetable: more than half a day, so not a connection we count.