UA 702 then DL 1892 at Atlanta
San Francisco → Atlanta → Chattanooga
Timetable, Atlanta time
18:07UA 702 from San Francisco at the gate
14:30DL 1892 to Chattanooga leaves the gate
20 h 23 apart on the timetable, overnight
DL 1892 leaves 20 h 23 after UA 702 arrives on the timetable: more than half a day, so not a connection we count.