UA 3304 then AA 2569 at Charlotte
Pittsburgh → Charlotte → San Francisco
Timetable, Charlotte time
13:00UA 3304 from Pittsburgh at the gate
12:00AA 2569 to San Francisco leaves the gate
23 h apart on the timetable, overnight
AA 2569 leaves 23 h after UA 3304 arrives on the timetable: more than half a day, so not a connection we count.