UA 1885 then UA 1603 at San Francisco
Phoenix → San Francisco → Atlanta
Timetable, San Francisco time
21:48UA 1885 from Phoenix at the gatealso AC 4369, VA 8417, NZ 9381, OZ 9540
21:30UA 1603 to Atlanta leaves the gatealso CA 7245, VA 8401, NZ 9000
23 h 42 apart on the timetable, overnight
UA 1603 leaves 23 h 42 after UA 1885 arrives on the timetable: more than half a day, so not a connection we count.