AA 5024 then UA 225 at Philadelphia
Cincinnati → Philadelphia → San Francisco
Timetable, Philadelphia time
17:55AA 5024 from Cincinnati at the gate
16:38UA 225 to San Francisco leaves the gate
22 h 43 apart on the timetable, overnight
UA 225 leaves 22 h 43 after AA 5024 arrives on the timetable: more than half a day, so not a connection we count.