CI 5346 then UA 1288 at Atlanta
San Francisco → Atlanta → Chicago O'Hare
Timetable, Atlanta time
21:14CI 5346 from San Francisco at the gate
11:11UA 1288 to Chicago O'Hare leaves the gate
13 h 57 apart on the timetable, overnight
UA 1288 leaves 13 h 57 after CI 5346 arrives on the timetable: more than half a day, so not a connection we count.