CI 5346 then UA 516 at Atlanta
San Francisco → Atlanta → Chicago O'Hare
Timetable, Atlanta time
21:48CI 5346 from San Francisco at the gate
15:32UA 516 to Chicago O'Hare leaves the gate
17 h 44 apart on the timetable, overnight
UA 516 leaves 17 h 44 after CI 5346 arrives on the timetable: more than half a day, so not a connection we count.