CI 5345 then UA 3912 at San Francisco
Atlanta → San Francisco → Houston
Timetable, San Francisco time
23:09CI 5345 from Atlanta at the gate
23:00UA 3912 to Houston leaves the gate
23 h 51 apart on the timetable, overnight
UA 3912 leaves 23 h 51 after CI 5345 arrives on the timetable: more than half a day, so not a connection we count.