CI 5346 then DL 1491 at Atlanta
San Francisco → Atlanta → Austin
Timetable, Atlanta time
21:48CI 5346 from San Francisco at the gate
16:00DL 1491 to Austin leaves the gate
18 h 12 apart on the timetable, overnight
DL 1491 leaves 18 h 12 after CI 5346 arrives on the timetable: more than half a day, so not a connection we count.