CI 5345 then UA 3923 at San Francisco
Atlanta → San Francisco → Portland (Oregon)
Timetable, San Francisco time
23:09CI 5345 from Atlanta at the gate
21:30UA 3923 to Portland (Oregon) leaves the gate
22 h 21 apart on the timetable, overnight
UA 3923 leaves 22 h 21 after CI 5345 arrives on the timetable: more than half a day, so not a connection we count.