CI 5346 then UA 1254 at Atlanta
San Francisco → Atlanta → Denver
Timetable, Atlanta time
21:14CI 5346 from San Francisco at the gate
11:14UA 1254 to Denver leaves the gate
14 h apart on the timetable, overnight
UA 1254 leaves 14 h after CI 5346 arrives on the timetable: more than half a day, so not a connection we count.