CI 5346 then UA 1831 at Atlanta
San Francisco → Atlanta → Washington
Timetable, Atlanta time
21:14CI 5346 from San Francisco at the gate
14:31UA 1831 to Washington leaves the gate
17 h 17 apart on the timetable, overnight
UA 1831 leaves 17 h 17 after CI 5346 arrives on the timetable: more than half a day, so not a connection we count.